What Happens When Bitcoin Reaches 21 Million Supply?
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- Bitcoin has a hardcoded maximum supply of 21 million coins, a limit written into the network's code by its creator, Satoshi Nakamoto.
- Once all 21 million bitcoin have been mined, no new bitcoin will ever be created, but the network is expected to keep operating much the same as it does today.
Why it matters: With Bitcoin's total supply permanently fixed at 21 million coins by protocol design, the end of new-coin issuance will not trigger any operational change to the network — users and holders continue to transact as before, making Bitcoin's scarcity rule the only hard supply cap among major digital assets.
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