Bitcoin (Protocol) (Stub)

Bitcoin is a software-based online payment system described by Satoshi Nakamoto in 2008 and introduced as open-source software in 2009. Payments are recorded in a public ledger using its own unit of account, which is also called bitcoin. Payments work peer-to-peer without a central repository or single administrator, which has led the US Treasury to... Read more



In March 2007, the leading cell phone company in Kenya, Safaricom, launched M‐PESA, an SMS-based money transfer system that allows individuals and businesses to deposit, transfer, and withdraw funds using their cell phone to anyone with another phone. Read more


Monetas is the commercial incarnation of the Open Transaction project and is due to be launched in the near future. They are building a digital finance platform enabling a new generation of finance applications for consumers and businesses. Read more

Note (Stub)

A term used to describe the phycial paper manifestation of a currency