About block 903,122
Bitcoin block 903,122 was mined by SpiderPool on June 28, 2025 at 8:20 PM UTC, 36 min 5 s after block 903,121. 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 3,493 transactions in 1.49 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, up from 3.00 sat/vB in the block before, and all fees added up to 0.0518 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1768 BTC for this block.
Block 903,122 is number 1,971 of 2,016 in difficulty epoch 447; 45 blocks remain until the next difficulty adjustment at block 903,167. The next halving is at block 1,050,000, 146,878 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. SpiderPool found 73 blocks in the week before. Today the block has 72,487 confirmations, so it is settled beyond any practical doubt.