About block 903,990
Bitcoin block 903,990 was mined by Braiins Pool on July 4, 2025 at 3:33 PM UTC, 3 min 19 s after block 903,989. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 538 transactions in 0.31 MB (17.7% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, down from 1.00 sat/vB in the block before, and all fees added up to 0.0054 BTC. With the 3.125 BTC subsidy of halving era 5, Braiins Pool earned 3.1304 BTC for this block.
Block 903,990 is number 823 of 2,016 in difficulty epoch 448; 1,193 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,010 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. Braiins Pool found 22 blocks in the week before. Today the block has 71,545 confirmations, so it is settled beyond any practical doubt.