About block 909,102
Bitcoin block 909,102 was mined by MARA Pool on August 8, 2025 at 1:23 AM UTC, 5 min 17 s after block 909,101. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,406 transactions in 1.59 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 3.00 sat/vB in the block before, and all fees added up to 0.0240 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1490 BTC for this block.
Block 909,102 is number 1,903 of 2,016 in difficulty epoch 450; 113 blocks remain until the next difficulty adjustment at block 909,215. The next halving is at block 1,050,000, 140,898 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 53 blocks in the week before. Today the block has 65,776 confirmations, so it is settled beyond any practical doubt.