About block 900,857
Bitcoin block 900,857 was mined by Foundry USA on June 12, 2025 at 1:10 AM UTC, 3 min 52 s after block 900,856. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,358 transactions in 1.40 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 0.0186 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1436 BTC for this block.
Block 900,857 is number 1,722 of 2,016 in difficulty epoch 446; 294 blocks remain until the next difficulty adjustment at block 901,151. The next halving is at block 1,050,000, 149,143 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 252 blocks in the week before. Today the block has 75,099 confirmations, so it is settled beyond any practical doubt.