Most of the talk around account abstraction focuses on smoother wallet use. @Starknet’s programmable accounts are more interesting because they let security evolve without forcing users to move funds. Signature methods won’t stay optimal forever. When a stronger option appears, people shouldn’t have to empty accounts or wait for a network upgrade. Since every Starknet account is a contract, the rules for accepting signatures can be updated. New verification logic can be added without a fork, and upgradeable accounts can change how they check signatures while keeping the same address and assets. In July 2026 an experimental Falcon-512 account already sent a post quantum transaction on Starknet mainnet. It was unaudited and only for research, so it isn’t production ready. Account signatures decide who can move money while STARK proofs check that the computation was correct. These are separate layers. Making accounts flexible doesn’t automatically make the whole network resistant to future cryptographic breaks. Standards will keep shifting as quantum hardware advances or new math appears. Building systems that can replace their security pieces over time is more practical than locking into one algorithm and hoping it lasts.