About block 909,217
Bitcoin block 909,217 was mined by ULTIMUSPOOL on August 8, 2025 at 8:55 PM UTC, 2 min 46 s after block 909,216. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,456 transactions in 1.65 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 5.00 sat/vB, down from 7.00 sat/vB in the block before, and all fees added up to 0.0561 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1811 BTC for this block.
Block 909,217 is number 2 of 2,016 in difficulty epoch 451; 2,014 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,783 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. ULTIMUSPOOL found 0 blocks in the week before. Today the block has 65,654 confirmations, so it is settled beyond any practical doubt.