Alternative currencies

Primecoin (sign: Ψ; code: XPM) is a peer-to-peer open source cryptocurrency that implements a unique scientific computing proof-of-work system.

Dash (formerly known as Darkcoin and XCoin) is an open source peer-to-peer cryptocurrency that offers instant transactions (InstantSend), private transactions (PrivateSend) and token fungibility.

CryptoNote is an application layer protocol that powers several decentralized privacy oriented digital currencies.

Omni (formerly Mastercoin) is a digital currency and communications protocol built on the bitcoin blockchain.

A virtual currency or virtual money 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.

Nxt is an open source cryptocurrency and payment network launched in November 2013 by anonymous software developer BCNext.

The bancor was a supranational currency that John Maynard Keynes and E.

Zerocoin is a cryptocurrency proposed by Johns Hopkins University professor Matthew D.

An alternative currency (or private currency) is any currency used as an alternative to the dominant national or multinational currency systems.

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

611 (SixEleven) (Symbol: SIL) is a cryptocurrency and a fork of the Bitcoin software Namecoin.

SolarCoin (**§** ; **SLR**) is a crypto-currency, launched in January 2014 and implemented to incentivize global solar electricity generation.

Coinye, formerly Coinye West, is an abandoned scrypt-based cryptocurrency that became embroiled in a trademark infringement lawsuit for using the American hip hop artist Kanye West as its mascot, despite West having no affiliation with the project.

The eusko is a local currency released by the "Eusko Moneta erakundea", and it is one of a number of currencies that are active in the Basque Country.

CloudHashing is a company that sells bitcoin mining contracts.

GHash.IO is a bitcoin mining pool which allows bitcoins to be mined using personal hardware or cloud-based mining power.

Monero (XMR) is an open source cryptocurrency created in April 2014 that is focused on privacy, decentralisation and scalability.

NeuCoin is a cryptocurrency announced in February 2015 by Daniel Kaufman.

PotCoin (code: POT) is a peer-to-peer cryptocurrency which exists with the aim of becoming the standard form of payment for the legalized cannabis industry.

Genesis Mining Ltd.

Airbitz is a bitcoin wallet provider and merchant directory headquartered in San Diego, CA founded by Paul Puey, Scott Morgan, Tim Horton, William Swanson, and Damian Cutillo.

NuBits are the worlds first distributed, stable value digital currency.

Woodcoin (LOG) is a decentralized peer-to-peer cryptocurrency and open source software project released under the MIT/X11 license.

NEM is a peer-to-peer cryptocurrency launched on March 31, 2015 and written in Java.