Digital currency (Wiki)

Digital currency (digital money or electronic money or electronic currency) is distinct from physical (such as banknotes and coins). It exhibits properties similar to physical currencies, but allows for instantaneous transactions and borderless transfer-of-ownership. Examples include virtual currencies and cryptocurrencies. Like traditional money, these currencies may be used to buy physical goods and services, but may also be restricted to certain communities such as for use inside an on-line game or social network.
Digital currency is a money balance recorded electronically on a stored-value card or other device. Another form of electronic money is network money, allowing the transfer of value on computer networks, particularly the Internet. Electronic money is also a claim on a private bank or other financial institution such as bank deposits.
Digital money can either be centralized, where there is a central point of control over the money supply, or decentralized, where the control over the money supply can come from various sources.

History

In 1983, a research paper by David Chaum introduced the idea of digital cash. In 1990, he founded DigiCash, an electronic cash company, in Amsterdam to commercialize the ideas in his research. It filed for bankruptcy in 1998. In 1999, Chaum left the company.
In 1997, Coca-Cola offered buying from vending machines using mobile payments.  After that PayPal emerged in 1998. Other system such as e-gold followed suit, but faced issues because it was used by criminals and was raided by US Feds  in 2005. In 2008, bitcoin was introduced, which marked the start of Digital currencies.
Origins of digital currencies date back to the 1990s Dot-com bubble. One of the first was E-gold, founded in 1996 and backed by gold. Another known digital currency service was Liberty Reserve, founded in 2006; it let users convert dollars or euros to Liberty Reserve Dollars or Euros, and exchange them freely with one another at a 1% fee. Both services were centralized, reputed to be used for money laundering, and inevitably shut down by the US government.Q coins or QQ coins, were used as a type of commodity-based digital currency on Tencent QQ’s messaging platform and emerged in early 2005. Q coins were so effective in China that they were said to have had a destabilizing effect on the Chinese Yuan currency due to speculation. Recent interest in cryptocurrencies has prompted renewed interest in digital currencies, with bitcoin, introduced in 2008, becoming the most widely used and accepted digital currency.

Comparisons

Digital versus virtual currency

According to the European Central Bank’s “Virtual currency schemes – a further analysis” report of February 2015, virtual currency is a digital representation of value, not issued by a central bank, credit institution or e-money institution, which, in some circumstances, can be used as an alternative to money. In the previous report of October 2012, the virtual currency was defined as a type of unregulated, digital money, which is issued and usually controlled by its developers, and used and accepted among the members of a specific virtual community.

According to the Bank For International Settlements’ “Digital currencies” report of November 2015, digital currency is an asset represented in digital form and having some monetary characteristics. Digital currency can be denominated to a sovereign currency and issued by the issuer responsible to redeem digital money for cash. In that case, digital currency represents electronic money (e-money). Digital currency denominated in its own units of value or with decentralized or automatic issuance will be considered as a virtual currency.

As such, bitcoin is a digital currency but also a type of virtual currency. Bitcoin and its alternatives are based on cryptographic algorithms, so these kinds of virtual currencies are also called cryptocurrencies.

Digital versus traditional currency

Most of the traditional money supply is bank money held on computers. This is also considered digital currency. One could argue that our increasingly cashless society means that all currencies are becoming digital (sometimes referred to as “electronic money”), but they are not presented to us as such

Types of systems

Centralized systems

Many systems—such as PayPal, eCash, WebMoney, Payoneer, cashU, and Hub Culture’s Ven will sell their electronic currency [clarification needed] directly to the end user. Other systems only sell through third party digital currency exchangers. The M-Pesa system is used to transfer money through mobile phones in Africa, India, Afghanistan, and Eastern Europe. Some community currencies, like some local exchange trading systems (LETS) and the Community Exchange System, work with electronic transactions.

Mobile digital wallets

A number of electronic money systems use contactless payment transfer in order to facilitate easy payment and give the payee more confidence in not letting go of their electronic wallet during the transaction.

  • In 1994 Mondex and National Westminster Bank provided an ‘electronic purse’ to residents of Swindon
  • In about 2005 Telefónica and BBVA Bank launched a payment system in Spain called Mobipay which used simple short message service facilities of feature phones intended for pay-as you go services including taxis and pre-pay phone recharges via a BBVA current bank account debit.
  • In Jan 2010, Venmo launched as a mobile payment system through SMS, which transformed into a social app where friends can pay each other for minor expenses like a cup of coffee, rent and paying your share of the restaurant bill when you forget your wallet. It is popular with college students, but has some security issues. It can be linked to your bank account, credit/debit card or have a loaded value to limit the amount of loss in case of a security breach. Credit cards and non-major debit cards incur a 3% processing fee.
  • On September 19, 2011, Google Wallet was released in the US only, which makes it easy to carry all your credit/debit cards on your phone.
  • In 2012 O2 (Ireland) (owned by Telefónica) launched Easytrip to pay road tolls which were charged to the mobile phone account or prepay credit.
  • O2 (United Kingdom) invented O2 Wallet at about the same time. The wallet can be charged with regular bank accounts or cards and discharged by participating retailers using a technique known as ‘money messages’ The service closed in 2014
  • On September 9, 2014 Apple Pay was announced at the iPhone 6 event. In October 2014 it was released as an update to work on iPhone 6 and Apple Watch. It is very similar to Google Wallet, but for Apple devices only.
  • GNU Taler is an anonymous, open source electronic payment system in development.

Decentralized systems

A cryptocurrency is a type of digital token that relies on cryptography for chaining together digital signatures of token transfers, peer-to-peer networking and decentralization.

In some cases a proof-of-work scheme is used to create and manage the currency.

Cryptocurrencies allow electronic money systems to be decentralized; systems include:

  • Bitcoin, a peer-to-peer electronic monetary system based on cryptography.
  • Litecoin, originally based on the bitcoin protocol, intended to improve upon its alleged inefficiencies.
  • Ripple monetary system, a monetary system based on trust networks.
  • Dogecoin, a Litecoin-derived system meant by its author to reach broader demographics.
  • Nxt, conceived as flexible platform to build applications and financial services around.
  • Monero, an open source cryptocurrency created in April 2014 that focuses on privacy, decentralisation and scalability.
  • Ethereum, an open-source, public, blockchain-based distributed computing platform featuring smart contract (scripting) functionality.
  • Zcash, a cryptocurrency that offers privacy and selective transparency of transactions.
  • Zcoin, a privacy centric cryptocurrency that utilized the zerocoin protocol.

Virtual currency

A virtual currency has been defined in 2012 by the European Central Bank as “a type of unregulated, digital money, which is issued and usually controlled by its developers, and used and accepted among the members of a specific virtual community”. The US Department of Treasury in 2013 defined it more tersely as “a medium of exchange that operates like a currency in some environments, but does not have all the attributes of real currency”. The key attribute a virtual currency does not have according to these definitions, is the status as legal tender.

Law

Since 2001, the European Union has implemented the E-Money Directive “on the taking up, pursuit and prudential supervision of the business of electronic money institutions” last amended in 2009. Doubts on the real nature of EU electronic money have arisen, since calls have been made in connection with the 2007 EU Payment Services Directive in favor of merging payment institutions and electronic money institutions. Such a merger could mean that electronic money is of the same nature as bank money or scriptural money.

In the United States, electronic money is governed by Article 4A of the Uniform Commercial Code for wholesale transactions and the Electronic Fund Transfer Act for consumer transactions. Provider’s responsibility and consumer’s liability are regulated under Regulation E.

Canada

The Bank of Canada have explored the possibility of creating a version of its currency on the blockchain.

The Bank of Canada teamed up with the nation’s five largest banks — and the blockchain consulting firm R3 — for what was known as Project Jasper. In a simulation run in 2016, the central bank issued CAD-Coins onto a blockchain similar Ethereum.[41] The banks used the CAD-Coins to exchange money the way they do at the end of each day to settle their master accounts.

China

A deputy governor at the central bank of China, Fan Yifei, wrote that “the conditions are ripe for digital currencies, which can reduce operating costs, increase efficiency and enable a wide range of new applications.” According to Fan Yifei, the best way to take advantage of the situation is for central banks to take the lead, both in supervising private digital currencies and in developing digital legal tender of their own.

Denmark

The Danish government proposed getting rid of the obligation for selected retailers to accept payment in cash, moving the country closer to a “cashless” economy. The Danish Chamber of Commerce is backing the move. Nearly a third of the Danish population uses MobilePay, a smartphone application for transferring money.

Ecuador

A law passed by the National Assembly of Ecuador gives the government permission to make payments in electronic currency and proposes the creation of a national digital currency. “Electronic money will stimulate the economy; it will be possible to attract more Ecuadorian citizens, especially those who do not have checking or savings accounts and credit cards alone. The electronic currency will be backed by the assets of the Central Bank of Ecuador,” the National Assembly said in a statement. In December 2015, Sistema de Dinero Electrónico (“electronic money system”) was launched, making Ecuador the first country with a state-run electronic payment system.

Germany

The German central bank is testing a functional prototype for the blockchain technology-based settlement of securities and transfer of centrally-issued digital coins.

Netherlands

The Dutch central bank is experimenting with a bitcoin-based virtual currency called “DNBCoin”.

Russia

Government-controlled Sberbank of Russia owns Yandex.Money – electronic payment service and digital currency of the same name.

South Korea

South Korea plans national digital currency using a Blockchain. The chairman of South Korea’s Financial Services Commission (FSC), Yim Jong-yong, announced that his department will “Lay the systemic groundwork for the spread of digital currency.” South Korea has already announced plans to discontinue coins by the year 2020.

Sweden

Sweden is in the process of replacing all of its physical banknotes, and most of its coins by mid 2017. However the new banknotes and coins of the Swedish krona will probably be circulating at about half the 2007 peak of 12,494 kronor per capita. The Riksbank is planning to begin discussions of an electronic currency issued by the central bank to which “is not to replace cash, but to act as complement to it.”  Deputy Governor Cecilia Skingsley states that cash will continue to spiral out of use in Sweden, and while it is currently fairly easy to get cash in Sweden, it is often very difficult to deposit it into bank accounts, especially in rural areas. No decision has been currently made about the decision to create “e-krona”. In her speech Skingsley states: “The first question is whether e-krona should be booked in accounts or whether the ekrona should be some form of digitally transferable unit that does not need an underlying account structure, roughly like cash.” Skingsley also states that: “Another important question is whether the Riksbank should issue e-krona directly to the general public or go via the banks, as we do now with banknotes and coins.” Other questions will be addressed like interest rates, should they be positive, negative, or zero?

Switzerland

In 2016, a city government first accepted digital currency in payment of city fees. Zug, Switzerland added bitcoin as a means of paying small amounts, up to 200 SFr., in a test and an attempt to advance Zug as a region that is advancing future technologies. In order to reduce risk, Zug immediately converts any bitcoin received into the Swiss currency.

Swiss Federal Railways, government-owned railway company of Switzerland, sells bitcoins at its ticket machines.

UK

The Chief Scientific Adviser to the UK government advised his Prime Minister and Parliament to consider using a blockchain-based digital currency.

The chief economist of Bank of England, the central bank of the United Kingdom, proposed abolition of paper currency. The Bank has also taken an interest in bitcoin. In 2016 it has embarked on a multi-year research programme to explore the implications of a central bank issued digital currency. The Bank of England has produced several research papers on the topic. One suggests that the economic benefits of issuing a digital currency on a distributed ledger could add as much as 3 percent to a country’s economic output. The Bank said that it wanted the next version of the bank’s basic software infrastructure to be compatible with distributed ledgers.

Ukraine

The National Bank of Ukraine is considering a creation of its own issuance/turnover/servicing system for a blockchain-based national cryptocurrency. The regulator also announced that blockchain could be a part of a national project called “Cashless Economy”.

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