About block 909,107
Bitcoin block 909,107 was mined by Foundry USA on August 8, 2025 at 2:00 AM UTC, 4 min 36 s after block 909,106. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,435 transactions in 1.78 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 0.0124 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1374 BTC for this block.
Block 909,107 is number 1,908 of 2,016 in difficulty epoch 450; 108 blocks remain until the next difficulty adjustment at block 909,215. The next halving is at block 1,050,000, 140,893 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 242 blocks in the week before. Today the block has 65,771 confirmations, so it is settled beyond any practical doubt.