About block 917,839
Bitcoin block 917,839 was mined by Foundry USA on October 6, 2025 at 12:18 AM UTC, 4 min 19 s after block 917,838. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 6,342 transactions in 1.63 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0075 BTC. With the 3.125 BTC subsidy of halving era 5, Foundry USA earned 3.1325 BTC for this block.
Block 917,839 is number 560 of 2,016 in difficulty epoch 455; 1,456 blocks remain until the next difficulty adjustment at block 919,295. The next halving is at block 1,050,000, 132,161 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 55,712 confirmations, so it is settled beyond any practical doubt.