About block 921,280
Bitcoin block 921,280 was mined by Foundry USA on October 29, 2025 at 4:57 AM UTC, 2 min 57 s after block 921,279. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,441 transactions in 1.90 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0088 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1338 BTC for this block.
Block 921,280 is number 1,985 of 2,016 in difficulty epoch 456; 31 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,720 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 264 blocks in the week before. Today the block has 52,255 confirmations, so it is settled beyond any practical doubt.