About block 921,520
Bitcoin block 921,520 was mined by ViaBTC on October 30, 2025 at 8:22 PM UTC, 5 min 35 s after block 921,519. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,455 transactions in 0.84 MB (48.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0124 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1374 BTC for this block.
Block 921,520 is number 209 of 2,016 in difficulty epoch 457; 1,807 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,480 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 82 blocks in the week before. Today the block has 52,012 confirmations, so it is settled beyond any practical doubt.