About block 901,971
Bitcoin block 901,971 was mined by Unknown on June 20, 2025 at 1:38 AM UTC, 5 min 47 s after block 901,970. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 2,433 transactions in 1.83 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 0.0216 BTC. With the 3.125 BTC subsidy of halving era 5, Unknown earned 3.1466 BTC for this block.
Block 901,971 is number 820 of 2,016 in difficulty epoch 447; 1,196 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 148,029 blocks after this one.
Its hash starts with 19 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. Unknown found 2 blocks in the week before. Today the block has 73,726 confirmations, so it is settled beyond any practical doubt.