The point of this type of honeypots is to entice the blackhats to just take the crypto and walk away. Making it harder for them to walk away with the money would be counter-productive.

Old situation: blackhats sticks around for weeks or even months, exfiltrate data, blackmail, install crypto miners, etc.

With crypto honeypot: blackhats take the crypto and leaves.

With rigged crypto honeypots that are actually not redeemable:

>on the hacker forums:

>Guy A: "I tried to take the bitcoins from Corp A's honeypot wallet, but they broadcasted a high fee transaction and beat me to it."

>Guy B: "Funny, same thing happened to me last week with Corp B's wallet."

>Guy A: "Guess it's back to the old blackmail method then."