About block 903,504
Bitcoin block 903,504 was mined by Mining Squared on July 1, 2025 at 8:40 AM UTC, 22 min 7 s after block 903,503. 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 3,053 transactions in 1.73 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, up from 2.00 sat/vB in the block before, and all fees added up to 0.0398 BTC. With the 3.125 BTC subsidy of halving era 5, Mining Squared earned 3.1648 BTC for this block.
Block 903,504 is number 337 of 2,016 in difficulty epoch 448; 1,679 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,496 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. Mining Squared found 0 blocks in the week before. Today the block has 72,071 confirmations, so it is settled beyond any practical doubt.