About block 903,221
Bitcoin block 903,221 was mined by F2Pool on June 29, 2025 at 1:03 PM UTC, 11 min 18 s after block 903,220. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 2,819 transactions in 1.87 MB (100.0% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0217 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1467 BTC for this block.
Block 903,221 is number 54 of 2,016 in difficulty epoch 448; 1,962 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,779 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 161 blocks in the week before. Today the block has 72,374 confirmations, so it is settled beyond any practical doubt.