About block 901,871
Bitcoin block 901,871 was mined by MARA Pool on June 19, 2025 at 9:19 AM UTC, 13 min 24 s after block 901,870. 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 4,036 transactions in 1.58 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, down from 5.00 sat/vB in the block before, and all fees added up to 0.0558 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1808 BTC for this block.
Block 901,871 is number 720 of 2,016 in difficulty epoch 447; 1,296 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 148,129 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. MARA Pool found 57 blocks in the week before. Today the block has 73,833 confirmations, so it is settled beyond any practical doubt.