About block 909,521
Bitcoin block 909,521 was mined by ViaBTC on August 11, 2025 at 6:28 AM UTC, 3 min 15 s after block 909,520. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,422 transactions in 0.93 MB (43.7% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0088 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1338 BTC for this block.
Block 909,521 is number 306 of 2,016 in difficulty epoch 451; 1,710 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,479 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 101 blocks in the week before. Today the block has 65,319 confirmations, so it is settled beyond any practical doubt.