About block 921,571
Bitcoin block 921,571 was mined by ViaBTC on October 31, 2025 at 5:36 AM UTC, 12 min 30 s after block 921,570. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 2,499 transactions in 1.33 MB (78.3% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0165 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1415 BTC for this block.
Block 921,571 is number 260 of 2,016 in difficulty epoch 457; 1,756 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,429 blocks after this one.
Its hash starts with 21 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. ViaBTC found 82 blocks in the week before. Today the block has 51,955 confirmations, so it is settled beyond any practical doubt.