3 ms·
> 4000 blocks is also, I think, extremely deep into the chain. As I recall, bitcoin exchanges default to like 6 blocks before confirming? This attack was again
by duskwuff 6y ago
> 4000 blocks is also, I think, extremely deep into the chain. As I recall, bitcoin exchanges default to like 6 blocks before confirming?
This attack was against Ethereum Classic, which has a block time of 13 seconds. 4000 blocks ≈ 14 hours.