About block 917,621
Bitcoin block 917,621 was mined by F2Pool on October 4, 2025 at 1:32 PM UTC, 22 min 21 s after block 917,620. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 3,962 transactions in 1.61 MB (100.0% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0618 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1868 BTC for this block.
Block 917,621 is number 342 of 2,016 in difficulty epoch 455; 1,674 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,379 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 55,979 confirmations, so it is settled beyond any practical doubt.