Yes, it was implementing multisig into å existing wallet.
If you are a wallet developer, send me a pm for quote or å collaboration.
I don't think its that easy. Maybe he meant 1 day to implement the multisig transactions only. But to make it really usable, you'd need much more than that:
- verify scripts (check public keys against the address book)
- decode raw transaction and display the outputs (also comparing to address book entries)
- sending the signed script/transaction to the next user to sign (maybe bitmessage integration)