About block 921,399
Bitcoin block 921,399 was mined by ViaBTC on October 30, 2025 at 2:44 AM UTC, 1 min 24 s after block 921,398. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,240 transactions in 0.69 MB (43.4% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0103 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1353 BTC for this block.
Block 921,399 is number 88 of 2,016 in difficulty epoch 457; 1,928 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,601 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 84 blocks in the week before. Today the block has 52,144 confirmations, so it is settled beyond any practical doubt.