submitted by libertariandictator to Bitcoin [link] [comments]
When we were a much smaller society, people could trade in the community pretty easily, but as the distance in our trade grew, we ended up inventing institutions such as banks, markets, stocks etc. that help us to conduct financial transactions. The currencies we are operating with nowadays are bills or coins, controlled by a centralized authority and tracked by previously mentioned financial institutions. The thing is, having a third party in our money transactions is not always what we wish for. But fortunately, today we have a tool that allows us to make fast and save financial transactions without any middlemen, it has no central authority and it is regulated by math. Sounds cool, right? Cryptocurrency is this tool. It is quite a peculiar system, so let’s take a closer look at it.submitted by Stealthex_io to StealthEX [link] [comments]
Layers of a crypto-cake
Layer 1: BlockchainFirst of all – any cryptocurrency is based on the blockchain. In simple words, blockchain is a kind of a database. It stores information in batches, called blocks that are linked together in a chronological way. As the blockchain is not located in one place but rather on thousands of computers around the globe, the blockchain and the transactions thus are decentralized, they have no head center. The newest blocks of transaction are continuously added on (or changed) to all the previous blocks. That’s how you get a cryptocurrency blockchain.
The technology’s name is a compound of the words “block” and “chain”, as the “blocks” of information are linked together in a “chain”. That’s how crypto security works – the information in the recently created block depends on the previous one. It means that no block can be changed without affecting the others, this system prevents a blockchain from being hacked.
There are 2 kinds of blockchain: private and public. Public, as goes by its name, is publicly available blockchain, whereas private blockchain is permissioned, which only a limited number of people have access to.
Layer 2: TransactionIn fact, everything begins with the intention of someone to complete a transaction. A transaction itself is a file that consists of the sender’s and recipient’s public keys (wallet addresses) and the amount of coins transferred. The sender begins by logging in into his cryptocurrency wallet with the private key – a unique combination of letters and numbers, something you would call a personal password in a bank. Now the transaction is signed and the first step which is called basic public key cryptography is completed.
Then the signed (encrypted) transaction is shared with everyone in the cryptocurrency network, meaning it gets to every other peer. We should mention that the transaction is firstly queued up to be added to the public ledger. Then, when it’s broadcasted to the public ledger, all the computers add a new transaction to a shared list of recent transactions, known as blocks.
Having a ledger forces everyone to “play fair” and reduce the risk of spending extra. The numbers of transactions are publicly available, but the information about senders and receivers is encrypted. Each transaction holds on to a unique set of keys. Whoever owns a set of keys, owns the amount of cryptocurrency associated with those keys (just like whoever owns a bank account owns the money in it). This is how peer-to-peer technology works.
Layer 3: MiningNow let’s talk about mining. Once confirmed, the transaction is forever captured into the blockchain history**.** The verification of the block is done by Cryptocurrency Miners – they verify and then add blocks to the public ledger. To verify them, miners go down on the road of solving a very difficult math puzzle using powerful software, which is that the computer needs to produce the correct sequence number – “hash” – that is specific to the given block, there is not much chance of finding it. Whoever solves the puzzle first, gets the opportunity to officially add a block of transactions to the ledger and get fresh and new coins as reward. The reward is given in whatever cryptocurrency’s blockchain miners are operating into. For example, BTC originally used to reward miners in 50 BTC, but after the first halving it decreased to 25 BTC, and at present time it is 6.25 BTC. The process of miners competing against each other in order to complete the transactions on the network and get rewarded is known as the Proof-of-Work (PoW) algorithm, which is natural for BTC and many other cryptocurrencies. Also there are another consensus mechanisms: Proof-of-Stake (PoS), Delegated Proof-of-Stake (dPoS), Proof-of-Authority (PoA), Byzantine Fault Tolerance (BFT), Practical Byzantine Fault Tolerance (pBFT), Federated Byzantine Agreement (FBA) and Delegated Byzantine Fault Tolerance (dBFT). Still, all of them are used to facilitate an agreement between network participants.
The way that system works – when many computers try to verify a block – guarantees that no computer is going to monopolize a cryptocurrency market. To ensure the competition stays fair, the puzzle becomes harder as more computers join in. Summing it up, let’s say that mining is responsible for two aspects of the crypto mechanism: producing the proof and allowing more coins to enter circulation.
Types of cryptocurrencyIn the virtual currency world there are a bunch of different cryptocurrency types with their own distinctive features.
The first cryptocurrency is, of course, Bitcoin. Bitcoin is the first crypto coin ever created and used. BTC is the most liquid cryptocurrency in the market and has the highest market cap among all the cryptocurrencies.
AltcoinsThe term ‘altcoins’ means ‘alternatives’ of Bitcoin. The first altcoin Namecoin was created in 2011 and later on hundreds of them appeared in crypto-world, among them are Ravencoin, Dogecoin, Litecoin, Syscoin etc. Altcoins were initially launched with a purpose to overcome Bitcoin’s weak points and become upgraded substitutes of Bitcoin. Altcoins usually stand an independent blockchain and have their own miners and wallets. Some altcoins actually have boosted features yet none of them gained popularity akin to Bitcoin. More about altcoins in our article.
TokensToken is a unit of account that is used to represent the digital balance of an asset. Basically tokens represent an asset or utility that usually are made on another blockchain. Tokens are registered in a database based on blockchain technology, and they are accessed through special applications using electronic signature schemes.
Tokens and cryptocurrencies are not the same thing. Let’s explain it more detailed:
• First of all, unlike cryptocurrencies, tokens can be issued and managed both centralized and decentralized.
• The verification of the token transactions can be conducted both centralized and decentralized, when cryptocurrencies’ verification is only decentralized.
• Tokens do not necessarily run their own blockchain, but for cryptocurrencies having their own blockchain is compulsory.
• Tokens’ prices can be affected by a vast range of factors such as demand and supply, tokens’ additional emission, or binding to other assets. On the other hand, the price of cryptocurrencies is completely regulated by the market.
Tokens can be:
• Utility tokens – something that accesses a user to a product or service and support dApps built on the blockchain.
• Governance tokens – fuel for voting systems executed on the blockchain.
• Transactional tokens – serve as a unit of accounts and used for trading.
• Security tokens – represent legal ownership of an asset, can be used in addition to or in place of a password.
Tokens are usually created through smart contracts and are often adapted to an ICO – initial coin offering, which is a means of crowdfunding. It is much easier to create tokens, that is why they make a majority of coins in existence. Altcoin and token blockchains work on the concept of smart contracts or decentralized applications, where the programmable, self-executing code is ruling the transactions within a blockchain. By the way, the vast majority of tokens were distributed on the Ethereum platform.
ForksGenerally a fork occurs when a protocol code, on which the blockchain is operating, is being changed, modified and updated by developers or users. Due to the changes, the blockchain splits into 2 paths: an old way of doing things and a new way. These changes may happen because: a disagreement between users and creators; a major hack, as it was with Ethereum; developers’ decision to fix errors and add new functionality. The blockchain mainly splits into hard forks and soft forks. Shortly speaking, coin hard forks cannot work with older versions while soft forks still can work with older versions.
Hard fork – after a hard fork, a new version is completely separated from the previous one, there’s no connection between them anymore, although the new version keeps the data of all the previous transactions but now on, each version will have its own transaction history. In order to use the new versions, every node has to upgrade their software. A hard fork requires majority support (or consensus) from coin holders with a connection to the coin network. If enough users don’t update then you will be unable to get a clean upgrade which could lead to a break in the blockchain.
Soft fork – a protocol change, but with backward compatibility. The rules of the network have been changed, but nodes running the old software will still be able to validate transactions, but those updated nodes won’t be able to mine new blocks. So to be used and useful, soft forks require the majority of the network’s hash power. Otherwise, they risk becoming set out and anyway ending up as a hard fork.
StablecoinsAs it comes from the name, stablecoins are price-stabilized that are becoming big in the crypto world. Still enjoying most of the “typical-cryptocurrency” benefits, it is standing out as a fixed and stable coin, not volatile at all. Stablecoins’ values are stabilized by pegging them to other assets such as the US Dollar or gold.
Stablecoins include Tether (USDT), Standard (PAX), Gemini Dollar (GUSD) which are backed by the US Dollar and approved by the New York State Department of Financial Services.
ConclusionNow that we hacked into cryptocurrency, you probably understand that it is much less mysterious than it first seemed. Nowadays, cryptocurrencies are making the revolution of the financial institution. For example, Bitcoin is currently used in 96 countries and growing, with more than 12,000 transactions per hour. More and more investors are involved, banks and governments realize that these cutting edge technologies are prone to draw their control away. Cryptocurrencies are slowly changing the world and you can choose – either stand beside and observe or become part of history in the making.
And remember if you need to exchange your coins StealthEX is here for you. We provide a selection of more than 300 coins and constantly updating the cryptocurrency list so that our customers will find a suitable option. Our service does not require registration and allows you to remain anonymous. Why don’t you check it out? Just go to StealthEX and follow these easy steps:
✔ Choose the pair and the amount for your exchange. For example BTC to ETH.
✔ Press the “Start exchange” button.
✔ Provide the recipient address to which the coins will be transferred.
✔ Move your cryptocurrency for the exchange.
✔ Receive your coins.
Follow us on Medium, Twitter, Facebook, and Reddit to get StealthEX.io updates and the latest news about the crypto world. For all requests message us via [[email protected]](mailto:[email protected]).
The views and opinions expressed here are solely those of the author. Every investment and trading move involves risk. You should conduct your own research when making a decision.
Original article was posted on https://stealthex.io/blog/2020/09/29/how-does-cryptocurrency-works/
For the time being, you can assume that this comment was written by a human being. You can click on my username, look back at my history of posts, and go, "OK, here's a bunch of posts, by a person, going back more than a decade, to the TIME BEFORE BOTS." That is, before the first year of 2020.Since humans are likely to adopt the majority opinion, bad actors find real value in being able to control the narrative online by surrounding the reader with manufactured opinions by bots that due to advances in ML/AI are quickly becoming indistinguishable from real users. This amounts to a Sybil attack on the minds of digital content consumers and poses major threat to the integrity of our social fabric.
submitted by crypt0hodl1 to PundiX [link] [comments]
PrologueThis is a Concept Paper written to introduce the Function X Ecosystem, which includes the XPhone. It also addresses the relationship between the XPOS and Function X.
Pundi X has always been a community-driven project. We have lived by the mission of making sure the community comes first and we are constantly learning from discussions and interactions on social media and in real-life meetings.
As with all discussions, there is always background noise but we have found gems in these community discussions. One such example is a question which we found constantly lingering at the back of our mind, “Has blockchain changed the world as the Internet did in the ’90s, and the automobile in the ‘20s?”. Many might argue that it has, given the rise of so many blockchain projects with vast potential in different dimensions (like ours, if we may add). But the question remains, “can blockchain ever become what the Internet, as we know it today, has to the world?”
Function X, a universal decentralized internet which is powered by blockchain technology and smart devices.
Over the past few months, in the process of implementing and deploying the XPOS solution, we believe we found the answer to the question. A nimble development team was set up to bring the answer to life. We discovered that it is indeed possible to bring blockchain to the world of telephony, data transmission, storage and other industries; a world far beyond financial transactions and transfers.
This is supported by end-user smart devices functioning as blockchain nodes. These devices include the XPOS and XPhone developed by Pundi X and will also include many other hardware devices manufactured by other original equipment manufacturers.
The vision we want to achieve for f(x) is to create a fully autonomous and decentralized network that does not rely on any individual, organization or structure.
Due to the nature of the many new concepts introduced within this Concept Paper, we have included a Q&A after each segment to facilitate your understanding. We will continuously update this paper to reflect the progress we’re making.
Function X: The Internet was just the beginningThe advent of the Internet has revolutionized the world. It created a communications layer so robust that it has resulted in TCP/IP becoming the network standard.
The Internet also created a wealth of information so disruptive that a company like Amazon threatened to wipe out all the traditional brick-and-mortar bookstores. These bookstores were forced to either adapt or perish. The same applies to the news publishing sector: the offerings of Google and Facebook have caused the near extinction of traditional newspapers.
The digitalization of the world with the Internet has enabled tech behemoths like Apple, Amazon, Google and Facebook to dominate and rule over traditional companies. The grip of these tech giants is so extensive that it makes you wonder if the choices you make are truly your own or influenced by the data they have on you as a user.
We see the blockchain revolution happening in three phases. The first was how Bitcoin showed the world what digital currency is. The second refers to how Ethereum has provided a platform to build decentralized assets easily. The clearest use case of that has come in the form of the thousands of altcoins seen today that we all are familiar with. The third phase is what many blockchain companies are trying to do now: 1) to bring the performance of blockchain to a whole new level (transaction speed, throughput, sharding, etc.) and 2) to change the course of traditional industries and platforms—including the Internet and user dynamics.
Public blockchains allow trustless transactions. If everything can be transacted on the blockchain in a decentralized manner, the information will flow more efficiently than traditional offerings, without the interception of intermediators. It will level the playing field and prevent data monopolization thus allowing small innovators to develop and flourish by leveraging the resources and data shared on the blockchain.
The Blockchain revolution will be the biggest digital revolutionIn order to displace an incumbent technology with something new, we believe the change and improvement which the new technology has to bring will have to be at least a tenfold improvement on all aspects including speed, transparency, scalability and governance (consensus). We are excited to say that the time for this 10-times change is here. It’s time to take it up 10x with Function X.
Function X or f(x) is an ecosystem built entirely on and for the blockchain. Everything in f(x) (including the application source code, transmission protocol and hardware) is completely decentralized and secure. Every bit and byte in f(x) is part of the blockchain.
What we have developed is not just a public chain. It is a total decentralized solution. It consists of five core components: Function X Operating System (OS); Function X distributed ledger (Blockchain); Function X IPFS; FXTP Protocol and Function X Decentralized Docker. All five components serve a single purpose which is to decentralize all services, apps, websites, communications and, most importantly, data.
The purpose of Function X OS is to allow smart hardware and IoTs to harness the upside and potential utility of the decentralization approach. We have built an in-house solution for how mobile phones can leverage Function X OS in the form of the XPhone. Other companies can also employ the Function X OS and further customize it for their own smart devices. Every smart device in the Function X ecosystem can be a node and each will have its own address and private key, uniquely linked to their node names. The OS is based on the Android OS 9.0, therefore benefiting from backward compatibility with Android apps. The Function X OS supports Android apps and Google services (referred to as the traditional mode), as well as the newly developed decentralized services (referred to as the blockchain mode). Other XPhone features powered by the Function X OS will be elaborated on in the following sections.
Using the Function X Ecosystem (namely Function X FXTP), the transmission of data runs on a complex exchange of public and private key data and encryption but never through a centralized intermediary. Hence it guarantees communication without interception and gives users direct access to the data shared by others. Any information that is sent or transacted over the Function X Blockchain will also be recorded on the chain and fully protected by encryption so the ownesender has control over data sharing. And that is how a decentralized system for communications works.
For developers and users transitioning to the Function X platform, it will be a relatively seamless process. We have intentionally designed the process of creating and publishing new decentralized applications (DApps) on Function X to be easy, such that the knowledge and experience from developing and using Android will be transferable. With that in mind, a single line of code in most traditional apps can be modified, and developers can have their transmission protocol moved from the traditional HTTP mode (centralized) to a decentralized mode, thus making the transmission “ownerless” because data can transmit through the network of nodes without being blocked by third parties. How services can be ported easily or built from scratch as DApps will also be explained in the following sections, employing technologies in the Function X ecosystem (namely Function X IPFS, FXTP Protocol and Decentralized Docker).
f(x) Chainf(x) chain is a set of consensus algorithms in the form of a distributed ledger, as part of the Function X ecosystem. The blockchain is the building block of our distributed ledger that stores and verifies transactions including financials, payments, communications (phone calls, file transfers, storage), services (DApps) and more.
Will Function X launch a mainnet?Yes. The f(x) chain is a blockchain hence there will be a mainnet.
When will the testnet be launched?Q2 2019 (projected).
When will the mainnet be launched?Q3 2019 (projected).
How is the Function X blockchain designed?The f(x) chain is designed based on the philosophy that any blockchain should be able to address real-life market demand of a constantly growing peer-to-peer network. It is a blockchain with high throughput achieved with a combination of decentralized hardware support (XPOS, XPhone, etc.) and open-source software toolkit enhancements.
What are the physical devices that will be connected to the Function X blockchain?In due course, the XPOS OS will be replaced by the f(x) OS. On the other hand, the XPhone was designed with full f(x) OS integration in mind, from the ground up. After the f(x) OS onboarding, and with adequate stability testings and improvements, XPOS and XPhone will then be connected to the f(x) Chain.
What are the different elements of a block?Anything that is transmittable over the distributed network can be stored in the block, including but not limited to phone call records, websites, data packets, source code, etc. It is worth noting that throughout these processes, all data is encrypted and only the owner of the private key has the right to decide how the data should be shared, stored, decrypted or even destroyed.
Which consensus mechanism is used?
Practical Byzantine Fault Tolerance (PBFT).
What are the other implementations of Practical Byzantine Fault Tolerance (PBFT)?Flight systems that require very low latency. For example, SpaceX’s flight system, Dragon, uses PBFT design philosophy. [Appendix]
How do you create a much faster public chain?We believe in achieving higher speed, thus hardware and software configurations matter. If your hardware is limited in numbers or processing power, this will limit the transaction speed which may pose security risks. The Ethereum network consists of about 25,000 nodes spread across the globe now, just two years after it was launched. Meanwhile, the Bitcoin network currently has around 7,000 nodes verifying the network. As for Pundi X, with the deployment plan (by us and our partners) for XPOS, XPhone and potentially other smart devices, we anticipate that we will be able to surpass the number of Bitcoin and Ethereum nodes within 1 to 2 years. There are also plans for a very competitive software implementation of our public blockchain, the details for which we will be sharing in the near future.
f(x) OSThe f(x) OS is an Android-modified operating system that is also blockchain-compatible. You can switch seamlessly between the blockchain and the traditional mode. In the blockchain mode, every bit and byte is fully decentralized including your calls, messages, browsers and apps. When in traditional mode, the f(x) OS supports all Android features.
Android is the most open and advanced operating system for smart hardware with over 2 billion monthly active users. Using Android also fits into our philosophy of being an OS/software designer and letting third-party hardware makers produce the hardware for the Function X Ecosystem.
What kind of open source will it be?This has not been finalized, but the options we are currently considering are Apache or GNU GPLv3.
What kind of hardware will it work on?The f(x) OS works on ARM architecture, hence it works on most smartphones, tablet computers, smart TVs, Android Auto and smartwatches in the market.
Will you build a new browser?We are currently using a modified version of the Google Chrome browser. The browser supports both HTTP and FXTP, which means that apart from distributed FXTP contents, users can view traditional contents, such ashttps://www.google.com.
What is the Node Name System (NNS)?A NNS is a distributed version of the traditional Domain Name System. A NNS allows every piece of Function X hardware, including the XPhone, to have a unique identity. This identity will be the unique identifier and can be called anything with digits and numbers, such as ‘JohnDoe2018’ or ‘AliceBob’. More on NNS in the following sections.
Will a third-party device running the f(x) OS be automatically connected to the f(x) blockchain?
Yes, third-party devices will be connected to the f(x) blockchain automatically.
f(x) FXTPA transmission protocol defines the rules to allow information to be sent via a network. On the Internet, HTTP is a transmission protocol that governs how information such as website contents can be sent, received and displayed. FXTP is a transmission protocol for the decentralized network.
FXTP is different from HTTP because it is an end-to-end transmission whereby your data can be sent, received and displayed based on a consensus mechanism rather than a client-server based decision-making mechanism. In HTTP, the server (which is controlled by an entity) decides how and if the data is sent (or even monitored), whereas in FXTP, the data is sent out and propagates to the destination based on consensus.
HTTP functions as a request–response protocol in the client-server computing model. A web browser, for example, may be the client and an application running on a computer hosting a website may be the server. FXTP functions as a propagation protocol via a consensus model. A node that propagates the protocol and its packet content is both a “client” and a “server”, hence whether a packet reaches a destination is not determined by any intermediate party and this makes it more secure.
f(x) IPFSIPFS is a protocol and network designed to store data in a distributed system. A person who wants to retrieve a file will call an identifier (hash) of the file, IPFS then combs through the other nodes and supplies the person with the file.
The file is stored on the IPFS network. If you run your own node, your file would be stored only on your node and available for the world to download. If someone else downloads it and seeds it, then the file will be stored on both your node the node of the individual who downloaded it (similar to BitTorrent).
IPFS is decentralized and more secure, which allows faster file and data transfer.
f(x) DDockerDocker is computer program designed to make it easier to create, deploy, and run applications. Containers allow a developer to package up an application including libraries, and ship it all out as a package.
As the name suggests, Decentralized Docker is an open platform for developers to build, ship and run distributed applications. Developers will be able to store, deploy and run their codes remote in different locations and the codes are secure in a decentralized way.
Beyond crypto: First true blockchain phone that is secured and decentralized to the coreXPhone is the world’s first blockchain phone which is designed with innovative features that are not found on other smartphones.
Powered by Function X, an ecosystem built entirely on and for the blockchain, XPhone runs on a new transmission protocol for the blockchain age. The innovation significantly expands the use of blockchain technology beyond financial transfers.
Unlike traditional phones which require a centralized service provider, XPhone runs independently without the need for that. Users can route phone calls and messages via blockchain nodes without the need for phone numbers.
Once the XPhone is registered on the network, for e.g., by a user named Pitt, if someone wants to access Pitt’s publicly shared data or content, that user can just enter FXTP://xxx.Pitt. This is similar to what we do for the traditional https:// protocol.
Whether Pitt is sharing photos, data, files or a website, they can be accessed through this path. And if Pitt’s friends would like to contact him, they can call, text or email his XPhone simply by entering “call.pitt”, “message.pitt”, or “mail.pitt”.
The transmission of data runs on a complex exchange of public and private key data with encryption. It can guarantee communication without interception and gives users direct access to the data shared by others. Any information that is sent or transacted over the Function X Blockchain will also be recorded on the chain.
Toggle between now and the futureBlockchain-based calling and messaging can be toggled on and off on the phone operating system which is built on Android 9.0. XPhone users can enjoy all the blockchain has to offer, as well as the traditional functionalities of an Android smartphone.
We’ll be sharing more about the availability of the XPhone and further applications of Function X in the near future.
DApps for mass adoptionSo far the use of decentralized applications has been disappointing. But what if there was a straightforward way to bring popular, existing apps into a decentralized environment, without rebuilding everything? Until now, much of what we call peer-to-peer or ‘decentralized’ services continue to be built on centralized networks. We set out to change that with Function X; to disperse content now stored in the hands of the few, and to evolve services currently controlled by central parties.
Use Cases: Sharing economyAs seen from our ride-hailing DApp example that was demonstrated in New York back in November 2018, moving towards true decentralization empowers the providers of services and not the intermediaries. In the same way, the XPhone returns power to users over how their data is being shared and with whom. Function X will empower content creators to determine how their work is being displayed and used.
Use Cases: Free namingOne of the earliest alternative cryptocurrencies, Namecoin, wanted to use a blockchain to provide a name registration system, where users can register their names to create a unique identity. It is similar to the DNS system mapping to IP addresses. With the Node Name System (NNS) it is now possible to do this on the blockchain.
NNS is a distributed version of the traditional Domain Name System. A NNS allows every piece of Function X hardware, including the XPhone, to have a unique identifier that can be named anything with digits and numbers, such as ‘JohnDoe2018’ or ‘AliceBob’.
Use Cases: Mobile data currencyAccording to a study, mobile operator data revenues are estimated at over $600 billion USD by 2020, equivalent to $50 billion USD per month [appendix]. Assuming users are able to use services such as blockchain calls provided by XPhone (or other phones using Function X) the savings will be immense and the gain from profit can be passed on to providers such as DApp developers in Function X. In other words, instead of paying hefty bills to a mobile carrier for voice calls, users can pay less by making blockchain calls, and the fees paid are in f(x) coins. More importantly users will have complete privacy over their calls.
Use Cases: Decentralized file storage
Ethereum contracts claim to allow for the development of a decentralized file storage ecosystem, “where individual users can earn small quantities of money by renting out their own hard drives and unused space can be used to further drive down the costs of file storage.” However, they do not necessarily have the hardware to back this up. With the deployment of XPOS, smart hardware nodes and more, Function X is a natural fit for Decentralized File Storage. In fact, it is basically what f(x) IPFS is built for.
These are just four examples of the many use cases purported, and there can, will and should be more practical applications beyond these; we are right in the middle of uncharted territories.
Decentralized and autonomousThe f(x) ecosystem is fully decentralized. It’s designed and built to run autonomously in perpetuity without the reliance or supervision of any individual or organization. To support this autonomous structure, f(x) Coin which is the underlying ‘currency’ within the f(x) ecosystem has to be decentralized in terms of its distribution, allocation, control, circulation and the way it’s being generated.
To get the structure of f(x) properly set up, the founding team will initially act as ‘initiators’ and ‘guardians’ of the ecosystem. The role of the team will be similar to being a gatekeeper to prevent any bad actors or stakeholders playing foul. At the same time, the team will facilitate good players to grow within the ecosystem. Once the f(x) ecosystem is up and running, the role of the founding team will be irrelevant and phased out. The long term intention of the team is to step away, allowing the ecosystem to run and flourish by itself.
UtilityIn this section, we will explore the utility of the f(x) Coin. f(x) Coin is the native ‘currency’ of the Function X blockchain and ecosystem. All services rendered in the ecosystem will be processed, transacted with, or “fueled” by the f(x) Coin. Some of the proposed use cases include:
Example 1: A developer creates a ride-hailing DApp called DUber.
DUber developer first uploads the image and data to IPFS (storage) and code to DDocker, respectively. The developer then pays for a decentralized code hosting service provided by the DDocker, and a decentralized file hosting service provided by the IPFS. Please note the storage hosting and code hosting services can be provided by a company, or by a savvy home user with smart nodes connected to the Function X ecosystem. Subsequently, a DUber user pays the developer.
Example 2: User Alice sends an imaginary token called ABCToken to Bob.
ABCToken is created using Function X smart contract. Smart nodes hosted at the home of Charlie help confirms the transaction, Charlie is paid by Alice (or both Alice and Bob).
The flow of f(x) CoinFour main participants in f(x): Consumer (blue), Developer (blue), Infrastructure (blue), and Financial Service Provider (green)
Broadly speaking, there can be four main participants in the f(x) ecosystem, exhibited by the diagram above:
Figure: four main participants of the ecosystem The rationale behind f(x) Coin generation is the Proof of Service concept (PoS)Service providers are crucial in the whole f(x) Ecosystem, the problem of motivation/facilitation has become our priority. We have to align our interests with theirs. Hence, we have set up a Tipping Jar (similar to mining) to motivate and facilitate the existing miners shift to the f(x) Ecosystem and become part of the infrastructure service provider or attract new players into our ecosystem. Income for service provider = Service fee (from payer) + Tipping (from f(x) network generation)
The idea is that the f(x) blockchain will generate a certain amount of f(x) Coin (diminishing annually) per second to different segments of service provider, such as in the 1st year, the f(x) blockchain will generate 3.5 f(x) Coin per second and it will be distributed among the infrastructure service provider through the Proof of Service concept. Every service provider such as infrastructure service providers, developers and financial service providers will receive a ‘certificate’ of Proof of Service in the blockchain after providing the service and redeeming the f(x) Coin.
Example: There are 3 IPFS providers in the market, and the total Tipping Jar for that specific period is 1 million f(x) Coin. Party A contributes 1 TB; Party B contributes 3 TB and Party C contributes 6 TB. So, Party A will earn 1/10 * 1 million = 100k f(x) Coin; Party B will earn 3/10 * 1 million = 300k f(x) Coin. Party C will earn 6/10 * 1 million = 600k f(x) Coin.
Note: The computation method of the distribution of the Tipping Jar might vary due to the differences in the nature of the service, period and party.
Figure: Circulation flow of f(x) Coin
The theory behind the computation.Blockchain has integrated almost everything, such as storage, scripts, nodes and communication. This requires a large amount of bandwidth and computation resources which affects the transaction speed and concurrency metric.
In order to do achieve the goal of being scalable with high transaction speed, the f(x) blockchain has shifted out all the ‘bulky’ and ‘heavy duty’ functions onto other service providers, such as IPFS, FXTP, etc. We leave alone what blockchain technology does best: Calibration. Thus, the role of the Tipping Jar is to distribute the appropriate tokens to all participants.
Projected f(x) Coin distribution per second in the first year
According to Moore’s Law, the number of transistors in a densely integrated circuit doubles about every 18 -24 months. Thus, the performance of hardware doubles every 18-24 months. Taking into consideration Moore’s Law, Eric Schmidt said if you maintain the same hardware specs, the earnings will be cut in half after 18-24 months. Therefore, the normal Tipping Jar (reward) for an infrastructure service provider will decrease 50% every 18 months. In order to encourage infrastructure service providers to upgrade their hardware, we have set up another iteration and innovation contribution pool (which is worth of 50% of the normal Tipping Jar on the corresponding phase) to encourage the infrastructure service provider to embrace new technology.
According to the Andy-Bill’s law, “What Andy gives, Bill takes away”; software will always nibble away the extra performance of the hardware. The more performance a piece of hardware delivers, the more the software consumes. Thus, the developer will always follow the trend to maintain and provide high-quality service. The Tipping Jar will increase by 50% (based upon the previous quota) every 18 months.
Financial service providers will have to support the liquidation of the whole ecosystem along the journey, the Tipping Jar (FaaS) will increase by 50% by recognizing the contribution and encouraging innovation.
From the 13th year (9th phase), the Tipping Jar will reduce by 50% every 18 months. We are well aware that the “cliff drop” after the 12th year is significant. Hence, we have created a 3year (two-phase) diminishing transition period. The duration of each phase is 18 months. There are 10 phases in total which will last for a total of 15 years.
According to Gartner’s report, the blockchain industry is forecast to reach a market cap of
3.1 trillion USD in 2030. Hence, we believe a Tipping Jar of 15 years will allow the growth of Function X into the “mature life cycle” of the blockchain industry.
f(x) Coin / Token AllocationToken allocation We believe great blockchain projects attempt to equitably balance the interests of different segments of the community. We hope to motivate and incentivize token holders by allocating a total of 65% of tokens from the Token Generation Event (TGE). Another 20% is allocated to the Ecosystem Genesis Fund for developer partnerships, exchanges and other such related purposes. The remaining 15% will go to engineering, product development and marketing. There will be no public or private sales for f(x) tokens.
NPXS / NPXSXEM is used to make crypto payments as easy as buying bottled water, while f(x) is used for the operation of a decentralized ecosystem and blockchain, consisting of DApps and other services. NPXS / NPXSXEM will continue to have the same functionality and purpose after the migration to the Function X blockchain in the future. Therefore, each token will be expected to assume different fundamental roles and grant different rights to the holders.
65% of allocation for NPXS / NPXSXEM holders is broken down into the following: 15% is used for staking (see below) 45% is used for conversion to f(x) tokens. (see below) 5% is used for extra bonus tasks over 12 months (allocation TBD).
Remarks All NPXS / NPXSXEM tokens that are converted will be removed from the total supply of NPXS / NPXSXEM; Pundi X will not convert company's NPXS for f(x) Tokens. This allocation is designed for NPXS/NPXSXEM long term holders. NPXS / NPXSXEM tokens that are converted will also be entitled to the 15% f(x) Token distribution right after the conversion.
UsageManagement of the Ecosystem Genesis Fund (EGF)
The purpose of setting up the Ecosystem Initialization Fund, is to motivate, encourage and facilitate service providers to join and root into the f(x) Ecosystem and, at the same time, to attract seed consumers to enrich and enlarge the f(x) Ecosystem. EIF comes from funds raised and will be used as a bootstrap mechanism to encourage adoption before the Tipping Jar incentives fully kicks in.
The EGF is divided into 5 parts:
SummaryTime moves fast in the technology world and even faster in the blockchain space. Pundi X’s journey started in October 2017, slightly over a year ago, and we have been operating at a lightning pace ever since, making progress that can only be measured in leaps and bounds. We started as a blockchain payment solution provider and have evolved into a blockchain service provider to make blockchain technology more accessible to the general public, thereby improving your everyday life.
The creation of Function X was driven by the need to create a better suited platform for our blockchain point-of sale network and through that process, the capabilities of Function X have allowed us to extend blockchain usage beyond finance applications like payment solutions and cryptocurrency.
The complete decentralized ecosystem of Function X will change and benefit organizations, developers, governments and most importantly, society as a whole.
The XPhone prototype which we have created is just the start to give everyone a taste of the power of Function X on how you can benefit from a truly decentralized environment. We envision a future where the XPOS, XPhone and other Function X-enabled devices work hand-in-hand to make the decentralized autonomous ecosystem a reality.
You may wonder how are we able to create such an extensive ecosystem within a short span of time? We are fortunate that in today’s open source and sharing economy, we are able to tap onto the already established protocols (such as Consensus algorithm, FXTP, etc), software (like Android, IPFS, PBFT, Dockers, etc.) and hardware (design knowledge from existing experts) which were developed by selfless generous creators. Function X puts together, aggregates and streamlines all the benefits and good of these different elements and make them work better and seamlessly on the blockchain. And we will pay it forward by making Function X as open and as decentralized as possible so that others may also use Function X to create bigger and better projects.
To bring Function X to full fruition, we will continue to operate in a transparent and collaborative way. Our community will continue to be a key pillar for us and be even more vital as we get Function X up and running. As a community member, you will have an early access to the Function X ecosystem through the f(x) token conversion.
We hope you continue to show your support as we are working hard to disrupt the space and re-engineer this decentralized world.
ReferencePractical Byzantine Fault Tolerance
Byzantine General Problem technical paper
Global mobile data revenues to reach $630 billion by 2020
NPXSXEM token supply
NPXS circulating token supply and strategic purchaser
[total supply might differ from time to time due to token taken out of total supply aka “burn”]
ELC: SpaceX lessons learned (PBFT mentioned) https://lwn.net/Articles/540368/
First, Drivechain has vaguely escaped vaporware status. If you've ever thought "I'd like to take a look into Drivechain when there is code", then now is a pretty good time. (Unfinished items include M1, and M8_V2.)
Blank sidechain: https://github.com/drivechain-project/bitcoin/tree/sidechainBMM
Second, I think drivechain's documentation / BIP-Drafts are tolerably readable.
Here they are:
cc: luke-jr , I think they are ready to be assigned formal BIP Numbers.
This is also a request for code review. The most helpful review will probably take place on GitHub.
Regular review is also welcome. Although, please read our recently-updated FAQ, at: http://www.drivechain.info/faq .
And also see major earlier discussions:
Have a nice weekend everyone,
Bitcoin Pizza Day, celebrated mainly by the cryptocurrency community, takes place on the anniversary of the date that cryptocurrency was used to pay for goods for the first time. On May 18, 2010, Laszlo Hanyecz of Florida posted in the bitcointalk.org forum, offering 10,000 bitcoins in exchange for some pizza, saying in part, "I'll pay 10,000 bitcoins for a couple of pizzas.. like maybe 2 large ones so I have some left over for the next day." His call was answered, and on May 22, 2010, he posted, "I just want to report that I successfully traded 10,000 bitcoins for pizza." A teenager named Jeremy Sturdivant, who went by "jercos" on the forum, sent Hanyecz two Papa John's pizzas, and received 10,000 bitcoins in return. Sturdivant paid about $25 for the pizza, and the 10,000 bitcoins he received became valued at $41.
The events of the first Bitcoin Pizza Day were monumental because they paved the way for the use of cryptocurrency in the future. Nine months after the transaction, the worth of the bitcoins totaled $10,000, meaning each bitcoin had the value of a dollar. On the five year anniversary, the value of the 10,000 bitcoins had risen to about $2.4 million. At one point in 2017, the value rose to over $100 million. As of September 2018, a bitcoin is valued at about $6,000, meaning the value of the 10,000 bitcoins used to pay for the pizza would be about $60 million.
The history of bitcoin dates to the early 2000s, when attempts were made to create a cryptocurrency, although none were fully developed. In 2008, a paper titled "Bitcoin: A Peer-to-Peer Electronic Cash System" was posted online. The following year, bitcoin became the first cryptocurrency. Its software was made available to the public, and it began being mined. Mining is "the process through which new bitcoins are created and transactions are recorded and verified on the blockchain." With Hanyecz's transaction for goods on the first Bitcoin Pizza Day, bitcoin gained a specific monetary value—up to that point it had only been mined. Rival cryptocurrencies, often known as altcoin, soon emerged. They usually have been created to try to improve an aspect of bitcoin. Early altcoins were Litecoin and Namecoin, and there are now over 1,000.
In 2013, bitcoin's value reached $1,000, but then crashed to about $300. It took a few years to recover. Over time, as it could be spent at more places, bitcoin's popularity continued to grow, as did its value. Time will only tell if the value of bitcoin will continue to rise, but on Bitcoin Pizza Day we can all remember the day the first cryptocurrency transaction for goods took place, and how the value of a transaction for two pizzas once rose to over $100 million.
Canadian Immigrants Day celebrates those who have immigrated to the United States from Canada. Canada is one of the most sparsely populated countries in the world, and most of its inhabitants live within a few hundred miles of its border with the United States. The border is 5,525 miles in length (this includes the border with Alaska) and is the longest border in the world that is not patrolled by military forces. Besides sharing a border, Canada and the United States share many cultural similarities.
Most Canadians immigrate to the United States by getting a green card, which they usually have obtained because they have immediate relatives in the country, or because they are sponsored by an employer there. Canadians migrate to the United States more than they do to any other country. In 1960, about ten percent of the US foreign-born population was Canadian. Although this was down to two percent in 2012, about 800,000 Canadian immigrants lived in the United States at that time.
The first wave of Canadian immigrants arrived in the 1860s; they were largely unskilled and came for factory jobs. A second wave arrived between 1900 and 1930, and were pushed by the discrimination they had faced in employment, education, and because of their religion. Immigration to the United States began to decline after this, as the Canadian economy began to grow after World War II. During the last half of the twentieth century, especially after the passage of the North American Free Trade Agreement in 1994, there was a diversification of Canadian immigrants which included students, those looking to reunite with their families, educated professionals, and retirees with wishes to move to a warmer climate.
Harvey Milk Day honors gay rights activist Harvey Milk and also focuses on stopping discrimination against gays and lesbians. Harvey Milk was born in Long Island, New York, on May 22, 1930. He served in the U.S. Navy during the Korean War, and worked at a Wall Street investment firm for a time afterward, living a closeted gay life at the time. In the early 1960s, his political views were conservative, and he campaigned for Barry Goldwater in 1964. Once he got involved in the New York bohemian theater scene, he began befriending a more avante-garde crowd, and his politics began to shift more progressive. He moved to the San Francisco Bay area in 1969, became involved in the gay social scene, and protested against the Vietnam War. After being fired for participating in an antiwar rally, he returned to New York City in 1970.
After some time working in New York theater, he returned to San Francisco in 1972 and opened a camera shop on Castro Street—the epicenter of the gay community. The following year he ran for a seat on the San Francisco Board of Supervisors for the first time, in part because he thought a tax on small businesses was unfair. He did not win a seat but did manage to finish 10th out of 32 contestants. Afterward, he co-founded the Castro Village Association, which supported gay business owners on Castro Street. He started the Castro Street Fair in 1974, and became known as "Mayor of Castro Street."
He once again lost an election for Board of Supervisors in 1975, and ran for the California State Assembly and was not successful in that bid either. In 1977, he worked to broaden his appeal beyond the gay community, by focusing on taxes, housing, and day-care centers for working mothers. In November 1977, Harvey Milk became the first openly gay person elected to California office, and the first openly gay person elected in a major U.S. city. The rise of Harvey Milk reflected the rise of the gay rights movement across the country, and he was at the forefront of it.
During his tenure in office, Milk pushed for visibility of gay people as well as for social equality. He worked to pass a gay rights ordinance—to ban discrimination in housing, employment, and public accommodations. He spent the summer of 1978 working to defeat Proposition 6—also known as The Briggs Initiative—which would have banned gays and lesbians, or anyone supporting gay rights, from teaching or working in public schools in California. It was defeated at the ballot box that November.
On November 27, 1978, Harvey Milk was assassinated by Dan White, a former Board of Supervisors member, who had resigned a few months earlier and wanted to be reinstated. White first killed San Francisco Mayor George Moscone, and then walked across the building and shot Harvey Milk five times. Dianne Feinstein, who was President of the Board of Supervisors at the time, announced to the press what had taken place. Dan White was convicted of voluntary manslaughter instead of murder, in part because his team used the "Twinkie defense". He was released early and committed suicide in 1985.
Harvey Milk's profile continued to rise after his assassination. In 1982, a biography titled The Mayor of Castro Street was released, bringing Milk's attention to a wider audience. This was followed by an Academy Award-winning documentary, The Times of Harvey Milk, in 1984. Many buildings in California were named after Milk. In 2008, another Academy Award-winning film, Milk, was released. Harvey Milk was posthumously given the Presidential Medal of Freedom by President Obama in 2009. That same year, Harvey Milk Day was established by the California legislature and signed into law by Governor Arnold Schwarzenegger on October 11. California schools commemorate Milk with activities, events, and projects, and equal rights are focused on. The Harvey Milk Foundation organizes events worldwide.
Sherlock Holmes Day celebrates Sherlock Holmes and the author who created him, Arthur Conan Doyle, who was born on today's date in 1859 in Edinburgh, Scotland. At a young age, Doyle became enthralled by stories his mother told him, which was the spark that eventually would lead him to become a writer. He was sent to a Jesuit preparatory school in England at the age of 9. After a few years, he went on to study at Stonyhurst College, and after graduating in 1876, he went on to pursue a medical degree at the University of Edinburgh. There he met Professor Dr. Joseph Bell, who became his mentor, and later became the inspiration and model for Sherlock Holmes.
While in medical school, Doyle wrote the short stories "The Mystery of Sasassa Valley" and "The American's Tale," the latter of which appeared in London Society magazine. He also worked as a ship surgeon on a whaling ship in the Arctic Circle while in school, which inspired him to write Captain of the Pole Star. After becoming a doctor he moved around for a bit, focusing on his practice, but also continued to write. He also left his Catholic faith and became a Spiritualist. Eventually, he gave up being a doctor and focused solely on his writing and his faith.
Sherlock Holmes and his assistant, Watson, were introduced in the novel A Study in Scarlet, which first appeared in Beeton's Christmas Annual in 1887. It was with this novel that Doyle's writing career finally began taking off. Sherlock Holmes, a "consulting detective" who pursued criminals in London, around England, and throughout Europe, has endured as perhaps the most noteworthy detective character of all time. In all, Doyle wrote 60 stories that featured Sherlock Holmes. Some of Doyle's most noteworthy books that include Sherlock Holmes are The Sign of Four, The Adventures of Sherlock Holmes, The Memoirs of Sherlock Holmes, and The Hound of the Baskervilles.
In 1893, Doyle tried to kill off Holmes in the short story "The Final Problem," because he wanted to focus more on his writing on Spiritualism. His readers weren't happy—20,000 readers even canceled their subscriptions to Strand Magazine, a magazine which Sherlock Holmes stories often appeared in. Eventually, Doyle was convinced to bring Holmes back. He reintroduced him in 1901 in the novel The Hound of Baskervilles, and then brought him back to life in the story "The Adventure of the Empty House" in 1903. One of the reasons he decided to bring him back was so he could use the profits from the stories to help fund his missionary work. The final twelve Sherlock Holmes stories appeared in the 1928 compilation titled The Casebook of Sherlock Holmes.
Besides his works featuring Sherlock Holmes, Doyle wrote other books such as Beyond the City, The Stark Munro Letters, and A Duet with an Occasional Chorus, as well as a series of works on Spiritualism. He was diagnosed with Angina Pectoris towards the end of his life. On July 7, 1930, Arthur Conan Doyle died in his garden with one hand to his chest and one hand holding a flower. The stories of Sherlock Holmes have continued to have been read, and Sherlock has also lived on in theater and film adaptations of his stories. Today we celebrate both Sherlock Holmes and the author who created him!
Namecoin (Symbol: ℕ or NMC) is a cryptocurrency that is mined with bitcoin software as bonus. It is based on the code of bitcoin and uses the same proof-of-work algorithm. Like bitcoin, it is limited to 21 million coins. Unlike bitcoin, Namecoin can store data within its own blockchain transaction database. Bitcoin relation. Besides being the first Bitcoin’s fork, NameCoin is also the first source of merged mining. Due to this technology, you can mine both BTC and NMC at the same time. Therefore, NameCoin uses the hash power provided by Bitcoin and stays on its own independent blockchain. NameCoin’s codebase strives to stay similar to Bitcoin’s. Namecoin is a Bitcoin fork and the similarities between the two are clear. It also uses the tried and tested Proof-of-Work algorithm and it also shares Bitcoin’s fixed limit of 21 million total coins. Namecoin (NMC) stores its transaction data in the blockchain just as Bitcoin does. Namecoin securely transfer records using keys or random names. Download Namecoin Core Client (Stable Release) Name wallet: includes command-line interface for registering, tracking, updating, and renewing names (if you don’t already have some namecoins, you’ll need to buy some at an exchange).; No graphical interface for name wallet. Namecoin was the first fork of Bitcoin and still is one of the most innovative “altcoins”. It was first to implement merged mining and a decentralized DNS. Namecoin was also the first solution to Zooko’s Triangle, the long-standing problem of producing a naming system that is simultaneously secure, ...
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