About block 903,423
Bitcoin block 903,423 was mined by F2Pool on June 30, 2025 at 5:37 PM UTC, 4 min 25 s after block 903,422. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,158 transactions in 1.58 MB (99.9% 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, F2Pool earned 3.1443 BTC for this block.
Block 903,423 is number 256 of 2,016 in difficulty epoch 448; 1,760 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,577 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 72,157 confirmations, so it is settled beyond any practical doubt.