About block 909,663
Bitcoin block 909,663 was mined by ViaBTC on August 12, 2025 at 6:40 AM UTC, 1 min 1 s after block 909,662. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 280 transactions in 0.18 MB (10.7% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0025 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1275 BTC for this block.
Block 909,663 is number 448 of 2,016 in difficulty epoch 451; 1,568 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,337 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. ViaBTC found 105 blocks in the week before. Today the block has 65,111 confirmations, so it is settled beyond any practical doubt.