Sounds hard, because it would be hard to prove that you lost a key. You could always pretend you lost it.
But if the blockchain supports actually invalidating those coins and transferring them to a new wallet via e.g. 3 trusted friends with pre-pregrammed wallets that sign and verify your new wallet, maybe it could work.
But if the blockchain supports actually invalidating those coins and transferring them to a new wallet via e.g. 3 trusted friends with pre-pregrammed wallets that sign and verify your new wallet, maybe it could work.