About block 902,171
Bitcoin block 902,171 was mined by Foundry USA on June 21, 2025 at 9:38 AM UTC, 25 min 49 s after block 902,170. 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 4,106 transactions in 1.65 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0343 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1593 BTC for this block.
Block 902,171 is number 1,020 of 2,016 in difficulty epoch 447; 996 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 147,829 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. Foundry USA found 240 blocks in the week before. Today the block has 73,509 confirmations, so it is settled beyond any practical doubt.