About block 909,143
Bitcoin block 909,143 was mined by Foundry USA on August 8, 2025 at 8:05 AM UTC, 16 min 24 s after block 909,142. 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 4,931 transactions in 1.52 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, up from 3.00 sat/vB in the block before, and all fees added up to 0.0485 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1735 BTC for this block.
Block 909,143 is number 1,944 of 2,016 in difficulty epoch 450; 72 blocks remain until the next difficulty adjustment at block 909,215. The next halving is at block 1,050,000, 140,857 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 240 blocks in the week before. Today the block has 65,730 confirmations, so it is settled beyond any practical doubt.