About block 908,553
Bitcoin block 908,553 was mined by Unknown on August 4, 2025 at 11:45 AM UTC, 9 min 2 s after block 908,552. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 3,401 transactions in 1.71 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, down from 4.00 sat/vB in the block before, and all fees added up to 0.0351 BTC. With the 3.125 BTC subsidy of halving era 5, Unknown earned 3.1601 BTC for this block.
Block 908,553 is number 1,354 of 2,016 in difficulty epoch 450; 662 blocks remain until the next difficulty adjustment at block 909,215. The next halving is at block 1,050,000, 141,447 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. Unknown found 12 blocks in the week before. Today the block has 66,443 confirmations, so it is settled beyond any practical doubt.