About block 903,663
Bitcoin block 903,663 was mined by F2Pool on July 2, 2025 at 12:53 PM UTC, 3 min 46 s after block 903,662. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,228 transactions in 1.80 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0161 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1411 BTC for this block.
Block 903,663 is number 496 of 2,016 in difficulty epoch 448; 1,520 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,337 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. F2Pool found 163 blocks in the week before. Today the block has 71,899 confirmations, so it is settled beyond any practical doubt.