About block 909,637
Bitcoin block 909,637 was mined by Foundry USA on August 12, 2025 at 1:24 AM UTC, 5 min 20 s after block 909,636. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,135 transactions in 1.83 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0142 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1392 BTC for this block.
Block 909,637 is number 422 of 2,016 in difficulty epoch 451; 1,594 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,363 blocks after this one.
Its hash starts with 20 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 248 blocks in the week before. Today the block has 65,162 confirmations, so it is settled beyond any practical doubt.