About block 921,100
Bitcoin block 921,100 was mined by ViaBTC on October 28, 2025 at 12:14 AM UTC, 1 min 30 s after block 921,099. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 311 transactions in 0.13 MB (8.2% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0019 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1269 BTC for this block.
Block 921,100 is number 1,805 of 2,016 in difficulty epoch 456; 211 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,900 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 84 blocks in the week before. Today the block has 52,467 confirmations, so it is settled beyond any practical doubt.