About block 901,721
Bitcoin block 901,721 was mined by SpiderPool on June 18, 2025 at 4:46 AM UTC, 12 min 58 s after block 901,720. 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 6,118 transactions in 1.42 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 5.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0520 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1770 BTC for this block.
Block 901,721 is number 570 of 2,016 in difficulty epoch 447; 1,446 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 148,279 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. SpiderPool found 76 blocks in the week before. Today the block has 73,997 confirmations, so it is settled beyond any practical doubt.