About block 904,109
Bitcoin block 904,109 was mined by ULTIMUSPOOL on July 5, 2025 at 7:37 AM UTC, 9 min 50 s after block 904,108. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,448 transactions in 0.83 MB (49.1% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0131 BTC. With the 3.125 BTC subsidy of halving era 5, ULTIMUSPOOL earned 3.1381 BTC for this block.
Block 904,109 is number 942 of 2,016 in difficulty epoch 448; 1,074 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 145,891 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 71,420 confirmations, so it is settled beyond any practical doubt.