About block 909,646
Bitcoin block 909,646 was mined by ViaBTC on August 12, 2025 at 3:20 AM UTC, 4 min 45 s after block 909,645. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,161 transactions in 1.61 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 5.00 sat/vB in the block before, and all fees added up to 0.0282 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1532 BTC for this block.
Block 909,646 is number 431 of 2,016 in difficulty epoch 451; 1,585 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,354 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. ViaBTC found 106 blocks in the week before. Today the block has 65,141 confirmations, so it is settled beyond any practical doubt.