About block 921,129
Bitcoin block 921,129 was mined by Foundry USA on October 28, 2025 at 6:01 AM UTC, 12 min 8 s after block 921,128. 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 3,634 transactions in 1.68 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0187 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1437 BTC for this block.
Block 921,129 is number 1,834 of 2,016 in difficulty epoch 456; 182 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,871 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 261 blocks in the week before. Today the block has 52,414 confirmations, so it is settled beyond any practical doubt.