About block 909,866
Bitcoin block 909,866 was mined by ViaBTC on August 13, 2025 at 3:51 PM UTC, 16 seconds after block 909,865. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,349 transactions in 1.70 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 5.00 sat/vB, down from 7.00 sat/vB in the block before, and all fees added up to 0.0501 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1751 BTC for this block.
Block 909,866 is number 651 of 2,016 in difficulty epoch 451; 1,365 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,134 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 97 blocks in the week before. Today the block has 64,811 confirmations, so it is settled beyond any practical doubt.