Blockchain is the method behind the bitcoin madness. It's a global accounting ledger that records all bitcoin transactions.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Betsy began her career in international ...

Learn how Bitcoin mining works, including how transactions are validated, block rewards, energy use, and why miners play a key role in securing the network.

Bitcoin Pizza Day marks one of the earliest and most important moments in cryptocurrency history: the first time Bitcoin was used to buy a physical good. On May 22, 2010, a man spent 10,000 Bitcoins ...