About block 904,121
Bitcoin block 904,121 was mined by MARA Pool on July 5, 2025 at 9:19 AM UTC, 9 min 34 s after block 904,120. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,460 transactions in 1.91 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 0.0188 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1438 BTC for this block.
Block 904,121 is number 954 of 2,016 in difficulty epoch 448; 1,062 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 145,879 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. MARA Pool found 55 blocks in the week before. Today the block has 71,407 confirmations, so it is settled beyond any practical doubt.