A form of cryptocurrency created and held electronically. Bitcoin is not physical, it is made digitally and there can be no more the 21 million bitcoins in the world. On the other hand, bitcoin can be divided into smaller entities, up to one hundred millionth of a bitcoin.
|First released||January 3, 2009|
|Developed by||Satoshi Nakamoto|
|Used by||Overstock.com, Expedia, eGifter|
Bitcoin is the first example of cryptocurrency.