Bitcoin is a form of digital currency, created and held electronically. No one controls it. Bitcoins aren't printed, like dollars or euros – they're produced by people, and increasingly businesses, running computers all around the world, using software that solves mathematical problems. As of 6 February 2016, there are 15.2 million bitcoins circulation of a capped total of 21 million. Here's an up-to-date graph and other bitcoin network statistics. That means over 72% of all bitcoins are already in circulation. Currently there are 25 new bitcoins produced (mined) every 10 minutes.Digital currency or digital money is an Internet-based medium of exchange distinct from physical (such as banknotes and coins) that exhibits properties similar to physical currencies, but allows for instantaneous transactions and borderless transfer-of-ownership. Claim Free Satoshis Every Time