About block 900,666
Bitcoin block 900,666 was mined by Foundry USA on June 10, 2025 at 7:11 PM UTC, 3 min 22 s after block 900,665. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,059 transactions in 2.08 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, up from 1.00 sat/vB in the block before, and all fees added up to 0.0169 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1419 BTC for this block.
Block 900,666 is number 1,531 of 2,016 in difficulty epoch 446; 485 blocks remain until the next difficulty adjustment at block 901,151. The next halving is at block 1,050,000, 149,334 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. Foundry USA found 251 blocks in the week before. Today the block has 75,305 confirmations, so it is settled beyond any practical doubt.