From beginner to advanced — master exchanges, wallets and blockchain essentials
A Bitcoin block does not hold a fixed BTC amount. The total tied to a block comes from the block subsidy plus transaction fees.
What happens when all Bitcoin is mined? The network keeps running, and miners shift from block subsidies to transaction fees.
Bitcoins do not suddenly run out. Supply is capped at 21 million, and new issuance slows over time through halving and mining rewards.
When all bitcoins are mined, the network does not stop. Miners shift from block rewards to transaction fees, making fee demand more important.
When will all Bitcoin be mined? Under Bitcoin’s fixed supply and halving schedule, the usual answer is around 2140, with issuance shrinking over time.
