About block 909,903
Bitcoin block 909,903 was mined by SpiderPool on August 13, 2025 at 9:11 PM UTC, 6 seconds after block 909,902. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,054 transactions in 1.64 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, down from 5.00 sat/vB in the block before, and all fees added up to 0.0333 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1583 BTC for this block.
Block 909,903 is number 688 of 2,016 in difficulty epoch 451; 1,328 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,097 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 58 blocks in the week before. Today the block has 64,754 confirmations, so it is settled beyond any practical doubt.