About block 903,511
Bitcoin block 903,511 was mined by SpiderPool on July 1, 2025 at 9:54 AM UTC, 4 min 0 s after block 903,510. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,304 transactions in 1.69 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0213 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1463 BTC for this block.
Block 903,511 is number 344 of 2,016 in difficulty epoch 448; 1,672 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,489 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 73 blocks in the week before. Today the block has 72,063 confirmations, so it is settled beyond any practical doubt.