Bitcoin, introduced in 2009, is a decentralized digital currency that operates without a central bank or single administrator, relying instead on a distributed network of participants.

How Bitcoin works, at a high level

Transactions are recorded on a public, shared ledger called a blockchain. Network participants called miners use computational power to validate transactions and secure the network, and are compensated with newly issued bitcoin and transaction fees.

What makes Bitcoin different from traditional currency

Risk considerations

Bitcoin's price has historically been highly volatile, and its regulatory treatment varies by jurisdiction and continues to evolve. This article is educational only and is not a recommendation to buy, sell, or hold any cryptocurrency.