About block 905,921
Bitcoin block 905,921 was mined by SpiderPool on July 17, 2025 at 7:31 AM UTC, 1 min 23 s after block 905,920. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,971 transactions in 1.71 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 0.0123 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1373 BTC for this block.
Block 905,921 is number 738 of 2,016 in difficulty epoch 449; 1,278 blocks remain until the next difficulty adjustment at block 907,199. The next halving is at block 1,050,000, 144,079 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. SpiderPool found 69 blocks in the week before. Today the block has 69,483 confirmations, so it is settled beyond any practical doubt.