About block 909,920
Bitcoin block 909,920 was mined by MARA Pool on August 13, 2025 at 11:51 PM UTC, 8 min 29 s after block 909,919. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,143 transactions in 1.13 MB (63.6% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0188 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1438 BTC for this block.
Block 909,920 is number 705 of 2,016 in difficulty epoch 451; 1,311 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,080 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 53 blocks in the week before. Today the block has 64,736 confirmations, so it is settled beyond any practical doubt.