About block 901,640
Bitcoin block 901,640 was mined by MARA Pool on June 17, 2025 at 2:57 PM UTC, 8 min 18 s after block 901,639. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,208 transactions in 1.61 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 6.00 sat/vB, down from 8.00 sat/vB in the block before, and all fees added up to 0.0879 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.2129 BTC for this block.
Block 901,640 is number 489 of 2,016 in difficulty epoch 447; 1,527 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 148,360 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. MARA Pool found 54 blocks in the week before. Today the block has 74,082 confirmations, so it is settled beyond any practical doubt.