About block 901,221
Bitcoin block 901,221 was mined by Mining Squared on June 14, 2025 at 2:14 PM UTC, 56 min 21 s after block 901,220. 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 3,900 transactions in 1.50 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0644 BTC. With the 3.125 BTC subsidy of halving era 5, Mining Squared earned 3.1894 BTC for this block.
Block 901,221 is number 70 of 2,016 in difficulty epoch 447; 1,946 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 148,779 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. Mining Squared found 0 blocks in the week before. Today the block has 74,700 confirmations, so it is settled beyond any practical doubt.