About block 905,638
Bitcoin block 905,638 was mined by MARA Pool on July 15, 2025 at 6:57 AM UTC, 9 min 38 s after block 905,637. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,328 transactions in 1.67 MB (99.4% 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 0.0203 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1453 BTC for this block.
Block 905,638 is number 455 of 2,016 in difficulty epoch 449; 1,561 blocks remain until the next difficulty adjustment at block 907,199. The next halving is at block 1,050,000, 144,362 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. MARA Pool found 56 blocks in the week before. Today the block has 69,791 confirmations, so it is settled beyond any practical doubt.