About block 917,221
Bitcoin block 917,221 was mined by F2Pool on October 1, 2025 at 10:36 AM UTC, 11 min 54 s after block 917,220. 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 2,839 transactions in 1.39 MB (84.7% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, and all fees added up to 0.0290 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1540 BTC for this block.
Block 917,221 is number 1,958 of 2,016 in difficulty epoch 454; 58 blocks remain until the next difficulty adjustment at block 917,279. The next halving is at block 1,050,000, 132,779 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 170 blocks in the week before. Today the block has 56,346 confirmations, so it is settled beyond any practical doubt.