Bitcoin (BTC) has a maximum supply of 21 million coins. This is a limit set in its protocol by its creator, Satoshi Nakamoto.
Bitcoin Supply Details:
Maximum Total Supply: 21,000,000 BTC
Current Circulating Supply: Approximately 19.6 million BTC (as of 2025)
Lost Bitcoins: It is estimated that several million BTC have been lost forever due to owners forgetting their private keys or passing away.
Bitcoins Left to Mine: Less than 1.4 million BTC
Mining & Halving Process
Bitcoin is mined through a Proof-of-Work (PoW) process, with rewards given to miners.