About block 903,343
Bitcoin block 903,343 was mined by AntPool on June 30, 2025 at 3:38 AM UTC, 4 min 36 s after block 903,342. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,122 transactions in 0.57 MB (39.1% 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 0.0069 BTC. With the 3.125 BTC subsidy of halving era 5, AntPool earned 3.1319 BTC for this block.
Block 903,343 is number 176 of 2,016 in difficulty epoch 448; 1,840 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,657 blocks after this one.
Its hash starts with 21 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. AntPool found 201 blocks in the week before. Today the block has 72,242 confirmations, so it is settled beyond any practical doubt.