About block 903,809
Bitcoin block 903,809 was mined by SpiderPool on July 3, 2025 at 9:51 AM UTC, 1 min 33 s after block 903,808. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 505 transactions in 2.13 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 0.0126 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1376 BTC for this block.
Block 903,809 is number 642 of 2,016 in difficulty epoch 448; 1,374 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,191 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 71 blocks in the week before. Today the block has 71,736 confirmations, so it is settled beyond any practical doubt.