# 比特幣挖礦總量是有限的，什麽時候挖完？

比特幣的總發行量達到1910萬，整個網絡超過90%比特幣已經被開采完。 

截止到2140年，比特幣將被全部開采完畢，預計總額度略低於2100萬枚。


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