About block 917,665
Bitcoin block 917,665 was mined by Foundry USA on October 4, 2025 at 10:09 PM UTC, 9 min 47 s after block 917,664. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,071 transactions in 1.63 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0185 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1435 BTC for this block.
Block 917,665 is number 386 of 2,016 in difficulty epoch 455; 1,630 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,335 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. Foundry USA found 265 blocks in the week before. Today the block has 55,913 confirmations, so it is settled beyond any practical doubt.