About block 909,144
Bitcoin block 909,144 was mined by SpiderPool on August 8, 2025 at 8:07 AM UTC, 2 min 23 s after block 909,143. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,221 transactions in 2.01 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 4.00 sat/vB in the block before, and all fees added up to 0.0254 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1504 BTC for this block.
Block 909,144 is number 1,945 of 2,016 in difficulty epoch 450; 71 blocks remain until the next difficulty adjustment at block 909,215. The next halving is at block 1,050,000, 140,856 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 57 blocks in the week before. Today the block has 65,729 confirmations, so it is settled beyond any practical doubt.