About block 917,445
Bitcoin block 917,445 was mined by Foundry USA on October 3, 2025 at 1:40 AM UTC, 1 min 17 s after block 917,444. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 5,342 transactions in 1.70 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 0.0077 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1327 BTC for this block.
Block 917,445 is number 166 of 2,016 in difficulty epoch 455; 1,850 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,555 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 56,088 confirmations, so it is settled beyond any practical doubt.