With the introduction of Frame Transactions, accounts will have the flexibility to determine their own specific authorization guidelines. This means users can set up customized rules for alternative signature schemes, account recovery, and multiple approvals. As a result of this shift, the operational logic that currently resides within individual wallet code will be relocated directly into the underlying protocol. It is important to keep in mind that as this logic transitions, its corresponding failure surface moves to the protocol layer as well.

https://thedefiant.io/news/blockchains/buterin-maps-ethereum-s-post-hegota-cryptographic-world-computer