About block 901,660
Bitcoin block 901,660 was mined by ViaBTC on June 17, 2025 at 6:41 PM UTC, 9 min 45 s after block 901,659. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,325 transactions in 1.43 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, up from 2.00 sat/vB in the block before, and all fees added up to 0.0458 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1708 BTC for this block.
Block 901,660 is number 509 of 2,016 in difficulty epoch 447; 1,507 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 148,340 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 101 blocks in the week before. Today the block has 74,061 confirmations, so it is settled beyond any practical doubt.