About block 917,172
Bitcoin block 917,172 was mined by Foundry USA on October 1, 2025 at 3:40 AM UTC, 15 min 2 s after block 917,171. 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 3,096 transactions in 1.52 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0196 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1446 BTC for this block.
Block 917,172 is number 1,909 of 2,016 in difficulty epoch 454; 107 blocks remain until the next difficulty adjustment at block 917,279. The next halving is at block 1,050,000, 132,828 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 264 blocks in the week before. Today the block has 56,360 confirmations, so it is settled beyond any practical doubt.