[j15t]

Mods, could you please indicate in the title that the validity of this letter has not yet been verified. The attribution in the title: "(The DAO hacker)" assumes that this is an authentic letter.

[gtirloni]

I find it ironic that blockchains promote the idea of anonymity while the community spends a considerable amount of time discussing who did this or that. It seems the hunt for Satoshis is an unexpected social consequence of blockchains.

[StavrosK]

But it's trivial to prove that it was the attacker, they can just sign this message with the public key used for the transaction.