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Colored coins are a class of methods for associating real world assets with addresses on the bitcoin network. Examples could be a deed for a house, stocks, bonds or futures. [1] The technology could also be used to track and register intellectual property assets. [2] [3]
In financial accounting, an asset is any resource owned by the business. Anything tangible or intangible that can be owned or controlled to produce value and that is held by a company to produce positive economic value is an asset. Simply stated, assets represent value of ownership that can be converted into cash. The balance sheet of a firm records the monetary value of the assets owned by that firm. It covers money and other valuables belonging to an individual or to a business.
The bitcoin network is a peer-to-peer payment network that operates on a cryptographic protocol. Users send and receive bitcoins, the units of currency, by broadcasting digitally signed messages to the network using bitcoin cryptocurrency wallet software. Transactions are recorded into a distributed, replicated public database known as the blockchain, with consensus achieved by a proof-of-work system called mining. Satoshi Nakamoto, the designer of bitcoin claimed that design and coding of bitcoin began in 2007. The project was released in 2009 as open source software.
A deed is any legal instrument in writing which passes, affirms or confirms an interest, right, or property and that is signed, attested, delivered, and in some jurisdictions, sealed. It is commonly associated with transferring (conveyancing) title to property. The deed has a greater presumption of validity and is less rebuttable than an instrument signed by the party to the deed. A deed can be unilateral or bilateral. Deeds include conveyances, commissions, licenses, patents, diplomas, and conditionally powers of attorney if executed as deeds. The deed is the modern descendant of the medieval charter, and delivery is thought to symbolically replace the ancient ceremony of livery of seisin.
Through 2014/15 it was suggested that various coloured coin protocols could be of interest to banks and major financial institutions. [4] This prediction came true in June 2015 when NASDAQ announced they were developing a system in partnership with blockchain startup Chain using the Open Assets protocol developed and utilised by CoinPrism and built on by Get Hashing. [5] In late 2015 NASDAQ announced that the first ever trade had occurred using its new platform, Linq. [6]
A bank is a financial institution that accepts deposits from the public and creates credit. Lending activities can be performed either directly or indirectly through capital markets. Due to their importance in the financial stability of a country, banks are highly regulated in most countries. Most nations have institutionalized a system known as fractional reserve banking under which banks hold liquid assets equal to only a portion of their current liabilities. In addition to other regulations intended to ensure liquidity, banks are generally subject to minimum capital requirements based on an international set of capital standards, known as the Basel Accords.
Financial institutions, otherwise known as banking institutions, are corporations that provide services as intermediaries of financial markets. Broadly speaking, there are three major types of financial institutions:
There are several competing implementations of the coloured coins idea, using differing methods, including those developed by CoinSpark, Colu and several built on the EPBOC protocol.
Symbiont is a blockchain technology company based in New York City, developing products in smart contracts and distributed ledgers for use in capital markets. Their product provides a simple interface for specifying the terms and conditions when issuing smart securities, as well as integration with market data feeds. Investors include Duncan Niederauer, former CEO of the New York Stock Exchange, and former co-head of Citadel Matt Andresen. Three of the founders of Symbiont are also founders of Counterparty.
A smart contract is a computer protocol intended to digitally facilitate, verify, or enforce the negotiation or performance of a contract. Smart contracts allow the performance of credible transactions without third parties. These transactions are trackable and irreversible.
Namecoin 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.
A cryptocurrency is a digital asset designed to work as a medium of exchange that uses strong cryptography to secure financial transactions, control the creation of additional units, and verify the transfer of assets. Cryptocurrencies use decentralized control as opposed to centralized digital currency and central banking systems.
Zerocoin is a privacy protocol proposed by Johns Hopkins University professor Matthew D. Green and his graduate students in 2013 as an extension to the Bitcoin protocol that would improve Bitcoin transactions' anonymity.
Proof of stake (PoS) is a type of algorithm by which a cryptocurrency blockchain network aims to achieve distributed consensus. In PoS-based cryptocurrencies the creator of the next block is chosen via various combinations of random selection and wealth or age. In contrast, the algorithm of proof-of-work-based cryptocurrencies such as bitcoin uses mining; that is, the solving of computationally intensive puzzles to validate transactions and create new blocks.
Ethereum is an open-source, public, blockchain-based distributed computing platform and operating system featuring smart contract (scripting) functionality. It supports a modified version of Nakamoto consensus via transaction-based state transitions.
Counterparty is a financial platform for creating peer-to-peer financial applications on the bitcoin blockchain. The protocol specification and all Counterparty software is open source. The reference client is counterparty and a web wallet called Counterwallet showcases all protocol features. The protocol’s native currency, XCP, is the fuel that powers Counterparty. It is slightly deflationary, with approximately 2.6 million XCP having been created by burning Bitcoins in January 2014. Counterparty provides users with the world's first functioning decentralized digital currency exchange, as well as the ability to create their own virtual assets, issue dividends, create price feeds, bets and contracts for difference.
Stellar is an open-source, decentralized protocol for digital currency to fiat currency transfers which allows cross-border transactions between any pair of currencies. The Stellar protocol is supported by a nonprofit, the Stellar Development Foundation.
A blockchain, originally block chain, is a growing list of records, called blocks, which are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data.
NEM is a peer-to-peer cryptocurrency and blockchain platform launched on March 29, 2015. Written in Java, with a C++ version in the works, NEM has a stated goal of a wide distribution model and has introduced new features to blockchain technology such as its proof-of-importance (POI) algorithm, multisignature accounts, encrypted messaging, and an Eigentrust++ reputation system. The NEM blockchain software is used in a commercial blockchain called Mijin, which is being tested by financial institutions and private companies in Japan and internationally.
BitGo is a Blockchain security company. It is headquartered in Palo Alto, California, and was founded in 2013 by Mike Belshe and Ben Davenport.
R3 is a distributed ledger technology company. It leads a consortium of more than 200 firms in research and development of distributed ledger usage in the financial system and other areas of commerce. It is headquartered in New York City. It was founded in 2014 by David E Rutter. The current CTO is Richard G Brown.
Blockstream is a blockchain technology company co-founded by Adam Back, Gregory Maxwell, Pieter Wuille, Jonathan Wilkins, Matt Corallo and others, and led by Adam Back. Blockstream is one of a number of institutions that provide funding for the development of Bitcoin Core, the predominant bitcoin network client software.
Hyperledger is an umbrella project of open source blockchains and related tools, started in December 2015 by the Linux Foundation, and supported by big industry players like IBM, Intel and SAP Ariba, to support the collaborative development of blockchain-based distributed ledgers.
The Chamber of Digital Commerce is an American advocacy group that promotes the emerging industry behind blockchain technology, bitcoin, digital currency and digital assets.
Monax, officially Monax Industries Limited, is a blockchain and smart contract software technology company founded in 2014. Incorporated as "Eris Industries" and previously known as "Eris", the company changed its name to Monax in October 2016. The company has offices in Edinburgh, London and New York.
Jed McCaleb is an American programmer and entrepreneur. He is a co-founder and the CTO of Stellar.org. Prior to co-founding Stellar, he founded and served as the CTO of the company Ripple until 2013. McCaleb is also known for creating the bitcoin exchange Mt. Gox and the peer-to-peer eDonkey and Overnet networks as well as the eDonkey2000 application.
Bitcoin Unlimited (BU) is a full node implementation for the bitcoin and Bitcoin Cash networks. Compared to the Bitcoin Core client hard-coding the block size limit to one megabyte, from which it is forked, Bitcoin Unlimited allows users to signal which block size limit they prefer, find the limit having a majority consensus and automatically track the largest proof-of-work, regardless of block size. However, if a block greater than one megabyte in size is accepted by Bitcoin Unlimited and rejected by nodes with a block size limit, a fork of the network will occur, resulting in two separate blockchains with Bitcoin Unlimited nodes following the chain with the largest proof-of-work.
BitMari is a payment platform that significantly lowers the cost and increases the speed of remittance payments throughout the African Diaspora using Bitcoin. Founded in 2015 by Sinclair Skinner and Christopher Mapondera, BitMari is the only Blockchain startup to receive an international license to use Bitcoin for remittances from a Central Bank.
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