Total circulating Bitcoin (BTC) hit a significant milestone on Monday morning, one and a half years after the last Bitcoin halving, as 90% of the maximum total supply has been mined.
Current data from Blockchain.com shows Bitcoin in circulation hit 18.899 million as of Dec. 13, meaning only 10% of the total supply is left to mine. While the first 90% of BTC took about 12 years to mine, the rest will take a little longer.
Bitcoin has a hard cap of 21 million coins set by its anonymous creator
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