I might just be wrong. I'm interpreting their statement to mean that, but some people have pointed out that they've said other, possibly conflicting things. >

I might just be wrong. I'm interpreting their statement to mean that, but some people have pointed out that they've said other, possibly conflicting things. >This means that an individual could request bitcoins from an exchange or wallet service, alter the resulting transaction's hash before inclusion in the blockchain, then contact the issuing service while claiming the transaction did not proceed. If the alteration fails, the user can simply send the bitcoins back and try again until successful. https://www.mtgox.com/press_release_20140210.html https://www.mtgox.com/press_release_20140210.html