About block 917,643
Bitcoin block 917,643 was mined by ViaBTC on October 4, 2025 at 5:28 PM UTC, 42 seconds after block 917,642. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,186 transactions in 1.73 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, down from 2.00 sat/vB in the block before, and all fees added up to 0.0145 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1395 BTC for this block.
Block 917,643 is number 364 of 2,016 in difficulty epoch 455; 1,652 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,357 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 81 blocks in the week before. Today the block has 55,946 confirmations, so it is settled beyond any practical doubt.