chain · quantum risk
Starknet Cryptography & Quantum Risk Profile
Verdict
Profile view: Starknet is not automatically quantum-proof. Validity proofs and account abstraction change engineering—not a free pass. Bridges and L1 contracts still need classical-key diligence; native account crypto must be verified from current docs.
Overview
This is the network/profile page for Starknet in Wave 6b (L2 / scaling).
Starknet is a validity-rollup style L2 with a distinct account model and STARK proving narrative. Advanced proving systems are not the same claim as “all keys are post-quantum.”
Users and institutions must still ask: what signs my account today, what secures bridges, and what classical Ethereum contracts custody value?
Verdict hub: /is-quantum-proof/starknet. Asset framing: /crypto/strk.
Cryptographic profile
- Signatures: Account abstraction with STARK-friendly / native account signatures (verify current account defaults), Ethereum settlement and bridge keys remain classical secp256k1-class for many paths
- Hash: STARK proving hashes; Ethereum Keccak for L1 messaging
- Public-key exposure: Cairo account models differ from EOAs; still inventory account keys, guardians, and bridges. L1 contracts use classical Ethereum crypto.
- Re-verify account signature schemes from official Starknet docs.
What breaks
- Classical authorization keys under Shor-class adversaries
- Bridge / issuer / operator keys outside user wallets
- Assuming L2 proofs or stablecoin branding equal PQC
Mitigations
- Inventory every key that moves value
- Map host chains for multi-chain assets
- Read methodology at /is-quantum-proof/quantum-safe-blockchain-claims
- Use /assessment for organizational posture
FAQ
Do STARKs equal quantum-proof wallets?
STARKs address integrity of computation under specific assumptions. Wallet authorization and bridges can still be classical—verify each layer.
Is STRK quantum-safe?
Token balances are only as safe as the keys and bridges controlling them. Do not equate ticker branding with PQC.
Key concepts (technical dictionary)
Terms used on this page — open a definition: