About block 901,991
Bitcoin block 901,991 was mined by F2Pool on June 20, 2025 at 4:01 AM UTC, 5 min 6 s after block 901,990. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,476 transactions in 1.06 MB (66.5% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0170 BTC. With the 3.125 BTC subsidy of halving era 5, F2Pool earned 3.1420 BTC for this block.
Block 901,991 is number 840 of 2,016 in difficulty epoch 447; 1,176 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 148,009 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 164 blocks in the week before. Today the block has 73,705 confirmations, so it is settled beyond any practical doubt.