Bitcoin ₿ is a decentralized digital currency that can be transferred on the peer-to-peer bitcoin network.

Bitcoin transactions are verified by network nodes through cryptography-->

recorded in a public distributed ledger called a blockchain.

The use of the currency began in 2009, when its implementation was released as open-source software.

The word bitcoin was defined in a white paper published on 31 October 2008.

It is a compound of the words bit and coin.

Nine countries have fully banned bitcoin use

A few governments have used bitcoin in some capacity.

Iran has used bitcoin to bypass sanctions.

The bitcoin blockchain is a public ledger that records bitcoin transactions.