About block 921,668
Bitcoin block 921,668 was mined by Foundry USA on October 31, 2025 at 10:32 PM UTC, 35 min 30 s after block 921,667. 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 3,804 transactions in 1.53 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, and all fees added up to 0.0572 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1822 BTC for this block.
Block 921,668 is number 357 of 2,016 in difficulty epoch 457; 1,659 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,332 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 264 blocks in the week before. Today the block has 51,858 confirmations, so it is settled beyond any practical doubt.