About block 902,172
Bitcoin block 902,172 was mined by Foundry USA on June 21, 2025 at 9:46 AM UTC, 7 min 22 s after block 902,171. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,153 transactions in 1.51 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 0.0170 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1420 BTC for this block.
Block 902,172 is number 1,021 of 2,016 in difficulty epoch 447; 995 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 147,828 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. Foundry USA found 240 blocks in the week before. Today the block has 73,508 confirmations, so it is settled beyond any practical doubt.