About block 909,420
Bitcoin block 909,420 was mined by ULTIMUSPOOL on August 10, 2025 at 12:58 PM UTC, 57 seconds after block 909,419. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,209 transactions in 1.78 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0060 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1310 BTC for this block.
Block 909,420 is number 205 of 2,016 in difficulty epoch 451; 1,811 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,580 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. ULTIMUSPOOL found 0 blocks in the week before. Today the block has 65,441 confirmations, so it is settled beyond any practical doubt.