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erben
Exchange requires both accounts to be idle before we start exchanging (i.e. exchanging a with b while a is still exchanging with c is not allowed)
For transfer, there is no such requirement. Louis is wrong.
Exchange requires both accounts to be idle before we start exchanging (i.e. exchanging a with b while a is still exchanging with c is not allowed)
For transfer, there is no such requirement. Louis is wrong.