Your argument could equally be applied against regular (cash) civil asset forfeiture. The outcome is the same either way.
"Sorry, it was authorised by the authorities, nothing we can do".
You'll be short of the money until you sue, same as in regular civil asset forfeiture. When you do sue, you'll have to prove that you're entitled to the money, same as in regular civil asset forfeiture. What you get back will be less legal fees, same as in regular civil asset forfeiture.