About block 917,922
Bitcoin block 917,922 was mined by F2Pool on October 6, 2025 at 4:02 PM UTC, 6 min 46 s after block 917,921. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,955 transactions in 1.63 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 5.00 sat/vB, down from 6.00 sat/vB in the block before, and all fees added up to 0.0633 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1883 BTC for this block.
Block 917,922 is number 643 of 2,016 in difficulty epoch 455; 1,373 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,078 blocks after this one.
Its hash starts with 19 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. F2Pool found 173 blocks in the week before. Today the block has 55,658 confirmations, so it is settled beyond any practical doubt.