Cryptocoin Wiki

Altcoin Wiki

AdEx
Ardor
Ark
Augur (REP)
Basic Attention Token (BAT)
Bitcoin
Bitcoin Cash
Bitcoin Gold
BitShares
Byteball Bytes
Bytecoin
Cardano
Civic
Dash
Decred
DigiByte
Dogecoin
Einsteinium
Enigma
EOS
Ethereum Classic
Ethos
Factom (Factoids)
FunFair
GameCredits
GAS
Golem
IOTA
Komodo
Kyber
LBRY Credits
Lisk
MaidSafeCoin
Metal
Monaco
Monero
NEM (XEM)
Neo
Nexus
Nxt
OmiseGO
Peercoin
PIVX
Power Ledger
Qtum
Quantstamp
Raiden Network
Reddcoin
Ripple
Rise
Safe Exchange Coin
Salt
Siacoin
Steem
Stellar
Stratis
Tenx
Tether-usd
Tron
Verge
Vertcoin
Walton
Waves
Zcash
Zcoin








AdEx

AdEx (ADX) is a decentralized ad network based on blockchain (Ethereum and NEO) and smart contracts. It is designed to disrupt and replace traditional digital advertising models by providing a fully transparent, focused solution for advertisers to collaborate with publishers and reach the best potential clients.

The AdEx network is compatible with all devices and operating systems. It runs on ADX tokens that are used by advertisers and publishers for purchasing and selling advertising property. This technology removes the need of a central authority you need to trust. The AdEx Network only uses the blockchain for mission-critical data, such as accomplished conversion goals and payments. That way, it eliminates the opportunities for fraud and lack of transparency when it comes to the critical events; this, in its turn, removes the incentive to manipulate statistics, which will be kept off-chain to allow for bigger volumes of analytics data.

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Ardor

Ardor is a public blockchain platform that will allow people to utilize the blockchain technology of Nxt through the use of child chains. A child chain, which is a ‘light’ blockchain that can be customized to a certain extent, is designed to allow easy self-deploy for your own blockchain. Nxt claims that users will "not need to worry" about security, as that part is now handled by the main chain (Ardor). This is the chief innovation of Ardor. The first child chain on the Ardor platform will be Ignis for which an ongoing crowdsale has been launched. Ardor also provides manageable blockchain size, which solves the problem of scalability by separating transactions and data that do not affect security from those that do, and moving all of those that don't affect security onto child chains. Ardor is built on top of NXT’s four years of production experience, and is developed in Java the most popular development language for commercial applications.

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Ark

Ark is not just a cryptocurrency- it is an ecosystem meant for cryptocurrency mass adoption. More information in the Ark project whitepaper.

Four things about ARK are Fast, Decentralized, Bridging, and Sustainable. The technologies used could produce ultra fast transaction speeds. From their calculation, the approach is 200 transactions per minute. Decentralized is how they provide the voting system, which instead of assigning 100% voting weight to each vote; the weight is divided across all vote. Such decentralization is mean to make the entire network takeover is nearly impossible. Bridging is how they work hard to bridge various blockchain technologies and bridge virtual with reality. Considering the world that always changing time to time, ARK is a secure platform with high flexibility and adaptability that designed for mass adoption and self-sustaining. It is made to able to face the challenges and evolve to the unlimited time range.

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Augur (REP)

Augur is an Ethereum-based decentralized prediction market that leverages the wisdom of the crowds to create a search engine for the future that runs on its own token, REP. Augur allows users to create their markets for specific questions they may have and to profit from the trading buys while allowing users to buy positive or negative shares regarding the outcome of a future event.

Augur was founded in 2014 by Jack Peterson and Joey Krug to develop a decentralized oracle and prediction market platform on the blockchain that could be deployed by anyone as open-source software. The alpha version of Augur was released on the Ethereum testnet on June 16, 2015. The first beta version was released in March of 2016. 

Augur aims to create the most accurate prediction markets using the “wisdom of the crowd”—the idea that, when many people weigh in on certain outcomes, they’re more likely to create an accurate prediction.

It runs on Ethereum, the decentralized ledger system that enables money to move quickly and cheaply and is second only to Bitcoin among blockchains whose coins have the highest asset value.

The Augur Project was funded by a public crowdsale during the fall of 2015, in which it sold 11 million reputation tokens (REP) to more than 4,000 participants.[4] Software development of the Augur platform has been done through the not-for-profit Forecast Foundation OU. The Forecast Foundation OU retained 440,000 REP (as well as the crowdsale proceeds) to help fund development of the platform.

Augur owes its intellectual legacy to, and stands on the shoulders of, Arrow and Debreu’s Existence of an Equilibrium for a Competitive Economy, Friedrich Hayek's The Use of Knowledge in Society, James Surowiecki's book The Wisdom of Crowds, Robin Hanson's concept of “Idea Futures”, Paul Sztorc's “Truthcoin”, Vitalik Buterin's "Schellingcoin" concept, and the work of Stanford University computer scientist Joseph Bonneau.

The project includes Intrade founder Ron Bernstein, George Mason University economics professor Robin Hanson (author of OvercomingBias.com), and Ethereum founder Vitalik Buterin among its advisers.

Purpose

Augur’s purpose is to allow humanity to use its platform to democratize and decentralize finance worldwide. It does this by providing anyone, anytime, anywhere with the ability to create and speculate on derivatives at very low cost.[10] Prediction markets have also been proven to provide better future forecasts, more direct hedging and speculationmechanisms, and finally to better fulfill the vision set out by Hayek and Arrow & Debreu on how changing derivative prices communicates market information to reach equilibrium.

Since it is run on the decentralized Ethereum blockchain, Augur cuts out middlemen, virtually eliminates counterparty risks, and brings trading and market costs down to the economic minimum needed to operate the software platform securely.

Reputation Tokens

Augur’s creators argue that one problem with traditional prediction markets or betting platforms is that they’re centralized, so they can easily be shut down. Another issue is that they rely on one party to report how an event turned out, a setup that’s susceptible to mistakes or manipulation. Since Augur is a decentralized system, thousands of people can report on the outcome, making it more accurate. And those who predict the correct outcome get rewarded with Augur’s REP tokens.

Reputation (REP) tokens are the cryptographic token behind the Augur platform. The use of REP tokens on the platform helps secure Augur by having REP holders arbitrate (or judge) the outcome of prediction markets created on the Augur platform. However, the vast majority of Augur participants will never need to hold, see, or even use REP to place trades on any given Augur market. Instead,  REP tokens are only needed by market makers (when they create a new market on the platform) and by reporters when they report on the outcome of markets created on the Augur platform. By owning REP, and participating in the accurate reporting on the outcomes of events, token holders are entitled to a portion of the market fees generated by the platform.

How does it work?

The value of each share adds up to one dollar, so if a negative share is worth 50 cents and if a positive share is worth 50 cents, there is a 50/50 probability of said event becoming true or false according to the platform. If that event is proven to take place, the positive shareholders will receive a full dollar for each share bought. The current market price of a share is an estimate of the probability of an event occurring.

Users don’t have to hold on to a share until the event takes place, as shares can be freely traded in the Augur exchange until the event takes place.

Let's say we're betting on a sports tournament. A user can buy shares for the underdog to win the championship at a cheap price, 10 cents for example. As the tournament progresses, this underdog surprises everyone by winning some games. The price of that share will certainly rise given the success of the team, meaning that we can now sell the share for a higher price, let's say 60 cents, making a 50c profit for each share sold.

After the event takes place, thousands of users will then report the outcome using the Augur token (REP), meaning that the result of the event is not reported by a central authority, but by a large group of individuals that participate in the Augur system.

Other than providing a source of income for market creators, and entertainment for speculators, Augur provides another useful feature by leveraging the wisdom of the crowd concept ( if you ask the same question to a large number of people, their average answer will always be far more accurate then the answer provided by a specialist), meaning that Augur can be used as the search engine for the future. 

This concept isn't new, however, as prediction markets have been around for a while, however, Augur is the first decentralized one, meaning that users do not have to trust a central authority to report on the outcome of events, as this creates a single point of failure and leaves the market open to mistakes or outright manipulation. With Augur, thousands of REP token holders will verify this outcome, making manipulation or error virtually impossible. 

Anyone can create a market for a future event, regardless of the event itself, by providing the initial funding and liquidity for shares. Market creators receive a monetary incentive from the fees generated by the market, as users buy and sell shares for that event.

 

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Basic Attention Token (BAT)

Basic Attention Token improves the efficiency of digital advertising by creating a new unit of exchange between publishers, advertisers and users. The value of the token is based on user attention, which simply means a person’s focused mental engagement.

Basic Attention Token is a utility token based on the Ethereum technology that can also be used as a unit of account between advertisers, publishers, and users in a new, blockchain-based digital advertising and services platform. The token is not a digital currency, security or a commodity. The BAT platform works with the Brave browser.

More information in the Basic Attention Token project whitepaper.

 

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Bitcoin

Bitcoin wiki

What is Bitcoin?

Bitcoin is a consensus network that enables a new payment system and a completely digital money. It is the first decentralized peer-to-peer payment network that is powered by its users with no central authority or middlemen. From a user perspective, Bitcoin is pretty much like cash for the Internet. Bitcoin can also be seen as the most prominent triple entry bookkeeping system in existence.

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Bitcoin Cash

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Bitcoin Gold

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BitShares

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Byteball Bytes

Byteball is a cryptocurrency with totally new consensus algorithm DAG (Directed acyclic graph).  DAG is Byteball's backbone where maximum crypto currencies use blockchain. For this Byteball has block size issue, because it has no blocks actually. Instead of blocks on blockchain,  every new transaction references one or more earlier ones (parents) by  including and signing their hashes. The links among transactions form a  DAG. By including its parents, each new transaction also indirectly includes and confirms all parents of the parents, parents of the parents of the  parents, and so on.  As more transactions are added after your  transaction, the number of confirmations you receive grows like  snowball, that’s why the name Byteball (our snowflakes are bytes of  data). 

When a contract is created on Byteball platform, it can be trusted to work exactly as agreed upon. Why? Because it is validated by multiple nodes on the decentralized network, which all follow the same immutable rules. The counterparty, even if it is a total stranger, has to behave honestly because only the rules have authority. Such a contract is called a smart contract. 

Some Interesting Features of Byteball: Conditional payments (You set a condition when the payee receives the money), Regulated assets,  Assets and on-chain exchange, Chatbots, P2P payments in chat, P2P betting,  P2P insurance, Prediction markets, and Private untraceable payments.

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Bytecoin

Bytecoin (BCN) is the first cryptocurrency based on the CryptoNote technology and launched in July 2012 with an open source code designed for anonymous cash settlement. BCN protects the user's privacy with impassive and anonymous transactions.

This is a completely independent currency, developing separately from Bitcoin and its forks. The basis for the creation of Bytecoin was the unique CryptoNote technology. It uses the unique CryptoNight algorithm. The essence of the algorithm is in the ring signature, which provides the maximum program anonymity for today. The cryptographic basis for the protocol was created by Ron Rivest, Adi Shamir and Yael Taumann in 2001, and finalized by E. Fujisaki and K. Suzuki in 2007. The EdDSA scheme proposed by the American mathematician Daniel Bernstein is used as the signature algorithm. Additional transaction obfuscation was added to this basis.

Bytecoin (BCN) was founded on July 4, 2012. Since the launch, several improvements have been made, including multi-valued transactions and several security updates. In 2013, the original implementation of CryptoNote Java was rewritten using C++. As of 2015, Bytecoin has been forked more than 25 times. Bytecoin blockchain contains additional information not directly related to remittances: several blocks include the geographical coordinates of universities, educational institutions among other buildings. Blocks created since August 11, 2012, contain quotes from Cyphernomicon, Neuromancer William Gibson and other authors.

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Cardano

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Civic

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Dash

Dash (formerly known as Darkcoin and XCoin) is an open source peer-to-peer cryptocurrency. On top of Bitcoin's feature set, it currently offers instant transactions (InstantSend), private transactions (PrivateSend) and operates a self-governing and self-funding model that enables the Dash network to pay individuals and businesses to perform work that adds value to the network. Dash's decentralized governance and budgeting system makes it a decentralized autonomous organization (DAO) Dash is the first decentralized autonomous organization powered by a Sybil proof decentralized governance and funding system. Decentralized Governance by Blockchain (DGBB), often referred to simply as the "treasury system" is a means of coming to consensus on proposed network changes and funding development of the Dash ecosystem. Ten percent of the block rewards go to this "treasury" in order to pay for projects that benefit Dash. Funding from the treasury system has been used to hire additional developers and other employees, to fund attendance at conferences, and to fund integrations with major exchanges and API providers.

Each masternode operator receives one vote. Proposals are eligible for funding according to the following formula: (YES VOTES - NO VOTES) > (TOTAL NUMBER OF MASTERNODES * 0.1). If there are more proposals that meet that criterion than there are budget funds for the month, then the proposals with the highest number of net votes will be paid. Community interaction with proposal submitters is done through the dash.org forums, or through community-driven websites, like DashCentral. These websites allow proposal submitters to provide multiple drafts, then lobby for community support before finally submitting their project to the network for a vote. After the submitter has enough support, the network will automatically pay out the required funds in the next super block, which happens monthly.

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Decred

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DigiByte

DigiByte (Code: DGB) is an open source cryptocurrency running on the DigiByte Blockchain, a decentralised international blockchain created in 2013. The DigiByte coin was developed in 2013 and released in January 2014. Although based on Bitcoin, adjustments in the code allow for improved functionality, including 15-second block time and improved security.

DigiByte was created by programmer and entrepreneur Jared Tate with the goal of creating a fast and secure cryptocurrency that could reach a wider and more decentralised community than Bitcoin. The first Digibyte block was mined on January 10, 2014, and included the headline from USA Today: “Target: Data stolen from up to 110M customers," hashed into the Genesis block to mark the importance of security in digital transactions. Also included was a premine to pay developers and early adopters.

DigiByte pioneered asymmetrical difficulty adjustment mining with DigiShield, which is a widely used technology and the basis of many other blockchains. It is also the first to blockchain to fork from a single proof-of-work algorithm to multi-algorithm mining, however not the first cryptocurrency to use multi-algorithm (Huntercoin).

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Dogecoin

Dogecoin

Dogecoin (/ˈdoʊʒkɔɪn/ DOHZH-koyn, code: DOGE, symbol: Рand D) is a cryptocurrency featuring a likeness of the Shiba Inu dog from the "Doge" Internet meme as its logo. The Shiba Inu is a Japanese breed of dog that was popularized as an online meme and represents Dogecoin. Introduced as a "joke currency" on 6 December 2013, Dogecoin quickly developed its own online community and reached a capitalization of US$60 million in January 2014.

 

Compared with other cryptocurrencies, Dogecoin had a fast initial coin production schedule: 100 billion coins were in circulation by mid-2015, with an additional 5.256 billion coins every year thereafter. As of 30 June 2015, the 100 billionth Dogecoin had been mined. While there are few mainstream commercial applications, the currency has gained traction as an Internet tipping system, in which social media users grant Dogecoin tips to other users for providing interesting or noteworthy content. Many members of the Dogecoin community, as well as members of other cryptocurrency communities, use the phrase "To the moon!" to describe the overall sentiment of the coin's rising value.

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Einsteinium

Einsteinium EMC2 is a cryptocoin that has been created to support science. In March, 2014, the first block was made available for mining.

“The Einsteinium Foundation was created to help, in any small way it can, raise funding for cutting edge scientific research. To this aim we created Einsteinium, a new cryptocurrency, to gather funds that can be distributed to projects the community chooses. Combined with donations from the community at large we will help fund some of the most innovative projects currently under-way or help seed those waiting to start.”, said the statement published on cryptocointalk.com.

The purpose of Einsteinium is to finance scientific research. Investments in research projects are to be made on the basis of community decisions.To promote science, 2% of the coins extracted from mining are donated to research projects. 

Einsteinium was developed by the Einsteinium Foundation. On 7 April 2017, the Foundation was registered as a non-profit organization with its headquarters in Montreal.

The Einsteinium Foundation is the first non-profit organization founded within the framework of cryptocurrencies and hopes to establish close ties with other non-profit organizations with the central goal of advancing science.

Development process

Einsteinium`s source code is available at GitHub.  Developers work in their own three before submitting pull requests.

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Enigma

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EOS

EOS is a blockchain-based, decentralized operating system, designed to support commercial-scale decentralized applications by providing all of the necessary core functionality, enabling businesses to build blockchain applications in a way similar to web-based applications.

EOS’s asynchronous communication and parallel processing provide scalability, while its ownership model eliminates transaction fees. These features make EOS a serious competitor of Ethereum (although EOS’s ICO actually supports Ethereum).

EOS uses delegated-proof-of-stake and introduces the ability to fix bugs and rollback changes with supermajority consensus.

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Ethereum Classic

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Ethos

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Factom (Factoids)

Factom is a blockchain technology company based in Austin, Texas.The company was founded in 2014 by Paul Snow and David Johnston as a blockchain as a service company, using blockchain for data management and security. Its customers include the United States Department of Homeland Security,and the company previously anchored Project Gutenberg.

In a nutshell, what is Factom?

Factom is a technology used by applications. Existing or new applications can publish relevant data directly to the Factom Blockchain using Factom API calls.Factom serves as a protocol for applications to provide functions and features beyond currency transactions. Factom is the first usable blockchain technology to solve real-world business problems by providing an unalterable record-keeping system. Factom is a distributed, decentralized protocol running on top of Bitcoin.

Factom is a way to record entries in a way that makes the list unique (everyone gets the same copy) and allows anyone to add to the list, but does not allow anyone to change entries once they are in the list. Factom is a method of creating an immutable audit trail. It is also a mechanism to communicate changes in a system. If your application needs a central server to coordinate processes, you might be able to eliminate the central server in favor of using Factom.

Does Factom use a cryptocurrency?

Yes. You can use Factoids (the Factom currency) to purchase Entry Credits with a simple transaction. The protocol does the conversion, so you effectively purchase the Entry Credits from the protocol. You assign those Entry Credits to a public key.

Who controls Factom?

Factom is a distributed, decentralized protocol running on top of Bitcoin. That means nobody controls it, but that it is software that people all over the world run to make the protocol work. Factom.org is releasing and maintaining the software. But the software is open source, and anyone is free to use it for any purpose.

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FunFair

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GameCredits

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GAS

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Golem

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IOTA

As the Internet-of-Things keep expanding, the need for interoperability and sharing of resources become a necessity. IOTA enables companies to explore new business-2-business models by making every technological resource a potential service to be traded on an open market in real time, with no fees.

Unlike Bitcoin which uses a blockchain architecture for maintaining it’s ledger, IOTA uses the ‘Tangle’ which is a Directed Acyclic Graph, known as a DAG. In summary the Tangle solves both the scalability and transaction fee issues faced by Bitcoin (And most cryptocurrencies) by requiring the Sender in a transaction to perform a kind of proof of work which approves two transactions. Thus, the act of making a transaction and validating transactions are coupled. This removes dedicated miners and makes the system fully decenteralised – those making transactions (the systems ‘users’) are the only actors who can affect the system (whereas in bitcoin miners are not ‘using’ the system, rather they are simply enabling it to operate).

The remarkable result is that in IOTA, the network transaction speed INCREASES as the number of users increases (as opposed to blockchain cryptocurrencies which get slower with increased numbers of users).  It also eliminates the need for users to pay ‘miners’ for doing the proof of work (because they do it themselves). Thus there is no Fee to make a transaction!

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Komodo

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Kyber

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LBRY Credits

LBRY (LBC) is a protocol providing a fully decentralized network for the discovery, distribution, and payment of data. It utilizes the LBRY blockchain as a global namespace and database of digital content. Blockchain entries contain searchable content metadata, identities, and rights and access rules. decentralized market for all digital items and content. It provides a global and censorship resistant platform for content creators to sell their ebooks, art, music, videos etc without the need to pay a middleman. Any content that is uploaded to LBRY network remains accessible to the public as long as the community finds it valuable and continues to host it.

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Lisk

Lisk is a public blockchain platform that provides decentralized blockchain apps. It was forked from Crypti by Max Kordek and Oliver Beddows in early 2016. Lisk started as a fork of Crypti beginning with an ICO (Initial Coin Offering) to decide the initial distribution and raise development funds. The ICO raised 14,000 BTC and, at the time, was the second most successful cryptocurrency crowdfund (later that month, WAVES and The DAO would surpass it).On May 24, 2016, the mainnet for Lisk went live and it became available for trading on major exchanges.

Lisk uses the DPoS (Delegated-Proof-of-Stake) algorithm originally created by BitShares.Lisk uses Javascript. What differentiates it from regular PoS (Proof of Stake) is that only the top 101 delegates (determined by voting weight of voters) are actively forging and securing the network.

Lisk DPoS functions through a series of rounds. Rounds consist of 101 individual blocks. Each of the 101 active delegates are randomly assigned 1 block within the round to forge. A full cycle round takes 17 minutes. If a selected delegate is unable to forge their assigned block, activity from that block moves to the next block in the round. 

Lisk commonly compared to Crypti, because it is a fork of it. However, they have various differences: The database is PostgreSQL,Lisk is completely open source and the whole development procedure is happening in public on GitHub. BIP39 is enforced for all passphrases.

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MaidSafeCoin

MaidSafeCoin. MaidSafeCoin is a proxy token that was released during MaidSafe's crowd sale and will be swapped for Safecoin on a 1:1 basis when Safecoin is released.

Safecoin is the cryptocurrency of the SAFE (Secure Access For Everyone) network. The initial sale of Safecoins by MaidSafe, creators of the fully decentralized platform SAFE, began Tuesday, 22nd of April via purchase of a proxy token called MaidSafeCoin. Safecoins worth $6 million were sold within 5 hours of the opening of the sale.

The SAFE network takes all the Internet services currently available today and decentralizes them, removing servers and other central points of weakness enabling privacy, security and anonymity to all Internet users for the first time.

According to the website, Safecoin is a fair and transparent way of giving end users, developers and backers the opportunity to get involved with SAFE network. Safecoins may be earned, traded or purchased and a total cap of 4.3 billion will be generated.

MaidSafe is a company based in Troon, Scotland. They have been working on designing and implementing the SAFE Network since 2006. MaidSafe initially raised $5 million USD in investments from local individuals, friends and family to make the SAFE Network a reality.on CoinSpot. You can also send the coins out of Coinspot. It is only if you wish to withdraw or deposit AUD funds from your account, you will be required to have your account verified.

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Metal

Metal (MTL) is an ethereum blockchain based token. As explained in its whitepaper, without an incentive to purchase, cryptocurrency may never reach mass adoption.  Metal proposes a system utilizing provable payments attached to verified identities to distribute currency. Anyone can participate to earn METAL as a reward for converting fiat to cryptocurrency. The company’s perspective is that nowadays you are still getting “punished” for using the money by having to pay fees for different services.

The MTL token is the native currency within the Metal system and it's distributed through a Proof of Processed Payments (PoPP) in which users earn MTL for sending money or making purchases.

Metal is a blockchain-based system utilizing Proof-of-Processed-Payments to identify users, rewarding them for converting legacy fiat currency into cryptocurrency, acting as a bridge to the cryptocurrency world. Metal's system uses provable payments attached to verified identities to distribute currency. Anyone can participate to earn METAL as a reward for converting fiat to cryptocurrency. The Metal project aims to provide all of the financial services small to medium sized businesses might need.

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Monaco

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Monero

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NEM (XEM)

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Neo

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Nexus

Nexus is a blockchain cryptocurency developed by Colin Cantrell and the Nexus team. Nexus is a decentralized, worldwide network distributed through three channels of security to allow for fast, secure, and decentralized transactions. These three security channels for Nexus include Prime Mining, Hash Mining, and Nexus Proof of Stake (nPOS). 

Nexus seeks to Free humankind from centralized systems. Merely being decentralized is not enough. We must decentralize the decentralization. Using software and hardware, Nexus seeks to build the foundation for the most decentralized system to ever be developed: Nexus Earth. This network will empower everyone from the first world to the third world. Not everyone has money, but everyone has time. The time has come to decentralize everything. The foundations of cryptocurrency should be built upon decentralized principles. Nexus seeks to fulfill this mission. "Not everybody has money but everybody has time."

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Nxt

Nxt is an open source cryptocurrency and payment network launched in November 2013 by anonymous software developer BCNext. It uses proof-of-stake to reach consensus for transactions—as such there is a static money supply and, unlike bitcoin, no mining. Nxt was specifically conceived as a flexible platform around which to build applications and financial services.It has an integrated Asset Exchange (comparable to shares), messaging system and marketplace. Users can also create new currencies within the system. The last major release enabled Multisignature capabilities and a plugin-system for the client.

The blockchain is at the core of this currency. But Nxt is written completely from scratch and has departed in several ways from existing cryptocurrencies. Most notably, in one of his founding statements, BCNext asked the community not to consider the NXT coin as the important part, but rather to create currencies on top of it- possibly devaluing the core currency. Nxt is coded in Java.

Nxt was the first currency to rely purely on proof-of-stake for consensus. Allowing a block creation rate of roughly one minute. The standard client works as a brain-wallet: Instead of storing keys in a cryptocurrency wallet file, security works via a secret passphrase. This means it can be accessed from any instance of the Nxt software.

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OmiseGO

OmiseGO is an open payment platform and decentralised exchange issued on Ethereum, an open-source public blockchain. OmiseGo´s slogan is "Unbank the Banked" and the stated objective is to provide better financial services for everyone, including both people who use traditional banking services and people in developing countries and locales which lack traditional banking infrastructure. Its token OMG is currently the fourth highest market cap Ethereum project in the world and was the first Ethereum project to exceed USD $1 billion valuation. The project is supported by co-founders of Ethereum: Vitalik Buterin and Gavin Wood, and is designed by the creator of Lightning Network and Plasma, Joseph Poon.

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Peercoin

Peercoin, also known as PPCoin or PPC, is a peer-to-peer cryptocurrency utilizing both proof-of-stake and proof-of-work systems.

Peercoin is based on an August 2012 paper which listed the authors as Scott Nadal and Sunny King. Sunny King, who also created Primecoin, is a pseudonym.Nadal's involvement had diminished by November 2013, leaving King as Peercoin's sole core developer.

Peercoin was inspired by bitcoin, and it shares much of the source code and technical implementation of bitcoin. The Peercoin source code is distributed under the MIT/X11 software license.

Unlike bitcoin, Namecoin, and Litecoin, Peercoin does not have a hard limit on the number of possible coins, but is designed to eventually attain an annual inflation rate of 1%. There is a deflationary aspect to Peercoin as the transaction fee of 0.01 PPC/kb paid to the network is destroyed. This feature, along with increased energy efficiency, aim to allow for greater long-term scalability.

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PIVX

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Power Ledger

Power Ledger (POWR) - Democratization of Power. Power Ledger has developed a series of world-leading blockchain energy applications, such as our P2P energy trading application that allows businesses, such as Utilities, to host trading on the Platform. Their technology enables the sale of surplus renewable energy generated at residential and commercial developments (including multi-unit/multi-tenanted) connected to existing electricity distribution networks, or within micro-grids. Power Ledger puts the power to manage the energy economy into the hands of consumers, while maintaining the value of existing distribution networks. 

The Power Ledger Platform (Platform) is a trustless, transparent and interoperable energy trading platform that supports an ever-expanding suite of nergy applications, with an exchangeable frictionless energy trading token Sparkz.

The Power Ledger Token (POWR) is the fuel of the Power Ledger Ecosystem with bespoke private trading applications creating Sparkz in exchange for POWRs. Sparkz are currently purchased and redeemed using fiat currencies with individual trading platforms hosting closed loop exchanges for energy and Sparkz.

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Qtum

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Quantstamp

Quantstamp (QSP) is the first smart contract security-auditing protocol. It was first announced on September 17, 2017 and the development team is located in British Columbia. The Quantstamp protocol solves the smart contract security problem by creating a scalable and cost-effective system to audit all smart contracts on the Ethereum network. Over time, we expect every Ethereum smart contract to use the Quantstamp protocol to perform a security audit because security is essential. The protocol consists of two parts:

An automated and upgradeable software verification system that checks Solidity programs. The conflict-driven distributed SAT solver requires a large amount of computing power, but will be able to catch increasingly sophisticated attacks over time;.

An automated bounty payout system that rewards human participants for finding errors in smart contracts. The purpose of this system is to bridge the gap while moving towards the goal of full automation.

The Quantstamp protocol relies on a distributed network of participants to mitigate the effects of bad actors, provide the required computing power and provide governance. Each participant uses Quantstamp Protocol (QSP) tokens to pay for, receive, or improve upon verification services. Below are the different types of participants: (1) Contributors receive QSP tokens as an invoice for contributing software for verifying Solidity programs. All contributed code will be open source so that the community can have confidence in its efficacy. Most Contributors will be security experts. Contributions are voted in via the governance mechanism; (2) Validators receive QSP tokens for running the Quantstamp validation node, a specialized node in the Ethereum network. Verifiers only need to contribute computing resources and do not need security expertise; (3) Bug Finders receive QSP tokens as a bounty for submitting bugs which break smart contracts; (4) Contract Creators pay QSP tokens to get their smart contract verified. As the number of smart contracts grows exponentially, we expect demand from Contract Creators to grow commensurately; (5) Contract Users will have access to results of the smart contract security audits; and (6) Voters: The governance system is a core feature of the protocol. The validation smart contract is designed to be modular and upgradeable based on token holder voting (time-locked multi-sig). This governance mechanism reduces the chance of upgrade forks and decentralizes influence of the founding team over time.

Proof of Caring 2.0 is an initiative by Quantstamp to reward loyal QSP holders who keep their QSP tokens off exchanges, and who has shown that they care for the Quantstamp project. At a high level the equation is the following:

Active Project Contribution + Community Involvement + Wallet Tracking Algorithm + History of Support = Your POC 2.0 Score

Am I eligible for Proof of Caring 2.0?

You will be eligible for the current window of the Proof of Caring 2.0 if you had transferred your tokens to a compatible wallet before 5 A.M., December 2nd, Greenwich Mean Time, and had not transferred your tokens out of the wallet since then. Currently, the window for the first threshold has passed. We will be starting another window in the coming months and taking into account your whole history.

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Raiden Network

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Reddcoin

Reddcoin (RDD, Ɍ) is a type of cryptocurrency. A cryptocurrency is a digital peer-to-peer medium of exchange with no central authority or banks managing its transactions, unlike fiat money that derives its value from government regulation or law (e.g. The U.S. Dollar, Euro, etc.). You do not need a bank or any central authority to use cryptocurrency. Reddcoin is powered by its users. With Reddcoin, you are essentially your own bank.

Reddcoin is dedicated to one thing – tipping on social networks as a way to bring cryptocurrency awareness and experience to the general public. Getting an upvote, like, or retweet for your well-received comment or picture is fun, but unfortunately, they have no real value. There is now something better than imaginary internet points – Reddcoins.

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Ripple

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Rise

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Safe Exchange Coin

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Salt

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Siacoin

Sia is a decentralized cooperative file storage network platform that leverages the Siacoin token, smart contracts, and blockchain technology to safely store data on hosts distributed throughout the world. It is written in the language Go and actively developed by Nebulous Inc.

Sia is a decentralized file storage system that incentivizes people to rent out their unused hard disk drive space to earn Siacoin, or SC. It does this by using a blockchain technology whose design is similar to Bitcoin with a few unique technical tweaks that allow it to be used efficiently for file storage. The main difference is the "file contract", a special kind of blockchain smart contract that provides a way for hosts (people offering storage space for rent) to get paid for proving that they have stored a file and made it available for a user over a period of time. To protect user privacy, all data is encrypted before being uploaded to the network, and only the user can decrypt them again. Other technologies like payment channels further optimize the Sia network for file storage. Combining this with redundancy and error-correction, codes yields a self-bootstrapping ecosystem where the cheapest available excess storage capacity is automatically used preferentially by the network.

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Steem

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Stellar

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Stratis

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Tenx

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Tether-usd

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Tron

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Verge

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Vertcoin

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Walton

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Waves

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Zcash

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Zcoin

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