About block 917,685
Bitcoin block 917,685 was mined by ULTIMUSPOOL on October 4, 2025 at 11:43 PM UTC, 1 min 9 s after block 917,684. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 7,065 transactions in 1.55 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0037 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1287 BTC for this block.
Block 917,685 is number 406 of 2,016 in difficulty epoch 455; 1,610 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,315 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. ULTIMUSPOOL found 0 blocks in the week before. Today the block has 55,890 confirmations, so it is settled beyond any practical doubt.