About block 904,021
Bitcoin block 904,021 was mined by SpiderPool on July 4, 2025 at 7:55 PM UTC, 11 min 42 s after block 904,020. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 2,579 transactions in 1.72 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0207 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1457 BTC for this block.
Block 904,021 is number 854 of 2,016 in difficulty epoch 448; 1,162 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 145,979 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. SpiderPool found 72 blocks in the week before. Today the block has 71,513 confirmations, so it is settled beyond any practical doubt.