About block 903,439
Bitcoin block 903,439 was mined by SpiderPool on June 30, 2025 at 9:07 PM UTC, 9 min 37 s after block 903,438. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,527 transactions in 1.66 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 0.0377 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1627 BTC for this block.
Block 903,439 is number 272 of 2,016 in difficulty epoch 448; 1,744 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,561 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 73 blocks in the week before. Today the block has 72,139 confirmations, so it is settled beyond any practical doubt.