Bitcoin has reached a major milestone: over 20 million of its 21 million coins have now been mined — meaning more than 95% of the total supply is already in circulation.
What makes Bitcoin unique is its fixed supply, built directly into its code. Unlike traditional currencies, new BTC enters the market at a decreasing pace through mining rewards, which are cut in half roughly every four years in events known as halvings.
After the 2024 halving, the reward dropped to 3.125 BTC per block, reducing daily production to around 450 BTC.
The remaining coins will be released very slowly, with the last satoshis expected to be mined around 2140.
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