🪙Bitcoin (abbreviation: BTC or XBT; sign: ₿) - is a decentralized digital currency.
Bitcoin transactions are verified by network nodes through cryptography and recorded in a public distributed ledger called a blockchain.
The cryptocurrency was invented in 2008 by an unknown entity under the name Satoshi Nakamoto.
The currency began use in 2009, when its implementation was released as open-source software.
The word "bitcoin" was defined in a white paper published on October 31, 2008.
It is a compound of the words bit and coin.

@Bitcoiners