About block 901,621
Bitcoin block 901,621 was mined by SpiderPool on June 17, 2025 at 10:53 AM UTC, 11 min 51 s after block 901,620. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 4,709 transactions in 1.52 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 0.0442 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1692 BTC for this block.
Block 901,621 is number 470 of 2,016 in difficulty epoch 447; 1,546 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 148,379 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. SpiderPool found 77 blocks in the week before. Today the block has 74,242 confirmations, so it is settled beyond any practical doubt.