From the link: > The bad transaction no longer exists for people using the longest chain. Therefore, the bitcoins created by it do not exist either. While the

From the link: > The bad transaction no longer exists for people using the longest chain. Therefore, the bitcoins created by it do not exist either. While the transaction does not exist anymore, the 0.5 BTC that was consumed by it does. It appears to have come from a faucet and has not been used since.[7] Wait... so if you wait long enough then old transactions disappear ? I thought the whole blockchain could allow anyone to track every transactions ?