About block 921,140
Bitcoin block 921,140 was mined by SECPOOL on October 28, 2025 at 7:10 AM UTC, 19 min 46 s after block 921,139. 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 3,544 transactions in 1.62 MB (99.9% of the 4 million weight-unit limit). The median transaction paid 1.00 sat/vB, and all fees added up to 0.0258 BTC. With the 3.125 BTC subsidy of halving era 5, SECPOOL earned 3.1508 BTC for this block.
Block 921,140 is number 1,845 of 2,016 in difficulty epoch 456; 171 blocks remain until the next difficulty adjustment at block 921,311. The next halving is at block 1,050,000, 128,860 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. SECPOOL found 39 blocks in the week before. Today the block has 52,395 confirmations, so it is settled beyond any practical doubt.