Bitcoin (BTC) block (mining) time from January 2009 to November 03, 2025
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The Bitcoin confirmation time - the time it takes to mine a block of Bitcoin transactions - fluctuated over the course of 2025. While not often used for purchases, investors have flocked towards Bitcoin and other virtual currencies for investment. Fluctuations in price could lead to changes in investor activity, which would have correlating changes in transaction times. Given Bitcoin’s security algorithm, which depends on a distributed ledger, an increase in the number of Bitcoins in circulation could also lead to longer transaction times.
