About block 903,643
Bitcoin block 903,643 was mined by AntPool on July 2, 2025 at 9:43 AM UTC, 7 min 26 s after block 903,642. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,399 transactions in 1.40 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 0.0256 BTC. With the 3.125 BTC subsidy of halving era 5, AntPool earned 3.1506 BTC for this block.
Block 903,643 is number 476 of 2,016 in difficulty epoch 448; 1,540 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,357 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. AntPool found 200 blocks in the week before. Today the block has 71,920 confirmations, so it is settled beyond any practical doubt.