About block 903,555
Bitcoin block 903,555 was mined by Unknown on July 1, 2025 at 5:13 PM UTC, 46 seconds after block 903,554. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 889 transactions in 1.26 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 0.0222 BTC. With the 3.125 BTC subsidy of halving era 5, Unknown earned 3.1472 BTC for this block.
Block 903,555 is number 388 of 2,016 in difficulty epoch 448; 1,628 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,445 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. Unknown found 2 blocks in the week before. Today the block has 72,018 confirmations, so it is settled beyond any practical doubt.