About block 917,421
Bitcoin block 917,421 was mined by ViaBTC on October 2, 2025 at 8:44 PM UTC, 5 min 4 s after block 917,420. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,441 transactions in 0.66 MB (40.4% 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 0.0151 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1401 BTC for this block.
Block 917,421 is number 142 of 2,016 in difficulty epoch 455; 1,874 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,579 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 56,105 confirmations, so it is settled beyond any practical doubt.