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halving

Yes. Bitcoin’s supply cap is set at 21 million, but that does not mean all coins are already circulating or available to trade.

Bitcoin cannot exceed 21 million coins because its issuance schedule shrinks over time and network nodes reject blocks that break the rules.

Bitcoin is generally not expected to exceed 21 million coins. The cap is enforced by issuance rules, node validation, and network-wide consensus.

How is bitcoin limited to 21 million? The cap comes from code-based issuance: new BTC enters through block rewards that keep getting cut in half.

The 21 million cap is fixed, but new bitcoin enters slowly. What is left depends on issuance progress, halvings, and circulating supply.

When Bitcoin reaches 21 million, the network does not stop. New coin issuance ends, and miner revenue depends more on transaction fees.

When Bitcoin reaches 21 million, new coin issuance ends, but the network keeps running and miners rely more on transaction fees.

The Bitcoin whitepaper does not state “21 million” in one plain sentence, but its issuance design and protocol rules lead to that supply cap.