About block 903,539
Bitcoin block 903,539 was mined by SpiderPool on July 1, 2025 at 2:52 PM UTC, 2 min 56 s after block 903,538. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,481 transactions in 1.76 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0193 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1443 BTC for this block.
Block 903,539 is number 372 of 2,016 in difficulty epoch 448; 1,644 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,461 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 72 blocks in the week before. Today the block has 72,034 confirmations, so it is settled beyond any practical doubt.