Not really, as it turned out that blockchain only lets you sign or get the private key of imported addresses
but GreatOrchid_alt managed to export his seed today with the guidance of iasenko so that the signing by electrum works?
since i saw the proofs of coinlocket$ and also stumbled across
this thread i see the unban relatively sceptical again. we tried to help but now the journey is over for me. I'm curious to see what happens next.