About block 903,003
Bitcoin block 903,003 was mined by SpiderPool on June 28, 2025 at 1:19 AM UTC, 11 min 36 s after block 903,002. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 2,661 transactions in 1.68 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 3.00 sat/vB in the block before, and all fees added up to 0.0314 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1564 BTC for this block.
Block 903,003 is number 1,852 of 2,016 in difficulty epoch 447; 164 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 146,997 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 74 blocks in the week before. Today the block has 72,613 confirmations, so it is settled beyond any practical doubt.