About block 909,850
Bitcoin block 909,850 was mined by MARA Pool on August 13, 2025 at 12:09 PM UTC, 4 min 23 s after block 909,849. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,668 transactions in 1.60 MB (91.4% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0169 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1419 BTC for this block.
Block 909,850 is number 635 of 2,016 in difficulty epoch 451; 1,381 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,150 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 51 blocks in the week before. Today the block has 64,830 confirmations, so it is settled beyond any practical doubt.