About block 921,564
Bitcoin block 921,564 was mined by ViaBTC on October 31, 2025 at 3:18 AM UTC, 42 seconds after block 921,563. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 152 transactions in 0.07 MB (4.6% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0009 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1259 BTC for this block.
Block 921,564 is number 253 of 2,016 in difficulty epoch 457; 1,763 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,436 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 51,962 confirmations, so it is settled beyond any practical doubt.