Escrow is fine, but it would mainly protect me as the seller. An escrow service cannot verify whether I've kept a copy of the private key, meaning the buyer would still have to trust me.
That's precisely why I made the offer this way: to provide the buyer with some legal protection and accountability beyond simply transferring the private key.
Sorry, but did you apply during the recovery window which has already ended and ran from June 8 to July 8? [
SOURCE]
What are these coins worth now, and what proof do you have that you really have 194 NEO in your old wallet?
Also, even if you sign a legal agreement with the buyer, you can't guarantee that you won't keep a copy of the private key you give them. So why should the buyer have to trust you?
I think this is quite risky ,because it's still unclear what will happen to these coins or whether the buyer will be able to sell/transfer them.