About block 903,430
Bitcoin block 903,430 was mined by ViaBTC on June 30, 2025 at 7:36 PM UTC, 12 min 14 s after block 903,429. 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 3,065 transactions in 1.55 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 4.00 sat/vB, up from 4.00 sat/vB in the block before, and all fees added up to 0.0742 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1992 BTC for this block.
Block 903,430 is number 263 of 2,016 in difficulty epoch 448; 1,753 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,570 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. ViaBTC found 95 blocks in the week before. Today the block has 72,150 confirmations, so it is settled beyond any practical doubt.