About block 909,539
Bitcoin block 909,539 was mined by Foundry USA on August 11, 2025 at 8:43 AM UTC, 2 min 48 s after block 909,538. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,228 transactions in 1.77 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0129 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1379 BTC for this block.
Block 909,539 is number 324 of 2,016 in difficulty epoch 451; 1,692 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,461 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 246 blocks in the week before. Today the block has 65,295 confirmations, so it is settled beyond any practical doubt.