About block 909,843
Bitcoin block 909,843 was mined by Foundry USA on August 13, 2025 at 10:42 AM UTC, 7 min 54 s after block 909,842. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,909 transactions in 1.90 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0169 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1419 BTC for this block.
Block 909,843 is number 628 of 2,016 in difficulty epoch 451; 1,388 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,157 blocks after this one.
Its hash starts with 21 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 255 blocks in the week before. Today the block has 64,837 confirmations, so it is settled beyond any practical doubt.