About block 909,878
Bitcoin block 909,878 was mined by Foundry USA on August 13, 2025 at 5:55 PM UTC, 8 min 6 s after block 909,877. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,507 transactions in 1.46 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, up from 3.00 sat/vB in the block before, and all fees added up to 0.0380 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1630 BTC for this block.
Block 909,878 is number 663 of 2,016 in difficulty epoch 451; 1,353 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,122 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 254 blocks in the week before. Today the block has 64,798 confirmations, so it is settled beyond any practical doubt.