About block 903,991
Bitcoin block 903,991 was mined by F2Pool on July 4, 2025 at 3:40 PM UTC, 6 min 29 s after block 903,990. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,796 transactions in 2.03 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0249 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1499 BTC for this block.
Block 903,991 is number 824 of 2,016 in difficulty epoch 448; 1,192 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,009 blocks after this one.
Its hash starts with 20 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 71,544 confirmations, so it is settled beyond any practical doubt.