Ok I'll do it if you put your account up as collateral

with an escrow
Can't you read the title of the thread ? It clearly states "NO Collateral".
If you are still in control of this address [
1SM233nsF64zT3zqgPURXmV87t55ZKBia ], then it being a vanity bitcoin address I assume you would have its private key and would be able to sign a message using this.
On successful completion of that, I would be happy to fulfill your loan requirement.