Bitcoin: definition and meaning
Bitcoin is the first cryptocurrency, launched in 2009. It uses a proof-of-work blockchain and has a fixed maximum supply of 21 million coins.
Why it matters
It is the largest crypto asset by market capitalization and often sets the mood for the whole market.
Related terms
- Blockchain
A blockchain is a shared database that records transactions in linked blocks. Thousands of… - Halving
A halving is a scheduled event, about every four years, that cuts Bitcoin's block reward i… - Altcoin
An altcoin is any cryptocurrency other than Bitcoin. The word is short for "alternative co…
Guides that explain more
Educational content only, not financial advice.