About block 905,617
Bitcoin block 905,617 was mined by SECPOOL on July 15, 2025 at 4:29 AM UTC, 3 min 19 s after block 905,616. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,868 transactions in 1.60 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 3.00 sat/vB in the block before, and all fees added up to 0.0146 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1396 BTC for this block.
Block 905,617 is number 434 of 2,016 in difficulty epoch 449; 1,582 blocks remain until the next difficulty adjustment at block 907,199. The next halving is at block 1,050,000, 144,383 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. SECPOOL found 50 blocks in the week before. Today the block has 69,813 confirmations, so it is settled beyond any practical doubt.