Rebecca Aspler this could be an interesting approach where the solution sort of falls in a middle…
Michael J F Sutherland

In full agreement with the middle-ground approach where the trust is distributed. Practically speaking, this means that the key would exist with several entities (enabled by multi-sig) or as key shares (enabled by MPC).

Bottom line is the same — we want people to trust blockchain wallets and exchanges as much as we trust banks. That’s one additional way to get there.