StarkWare (Privacy arc) 🥷 (@StarkWareLtd): Post Quantum Starknet just shipped

Post Quantum Starknet just shipped Google just announced it is targeting 2029 to migrate its infrastructure to post-quantum cryptography. Quantum hardware is advancing faster than expected. The Ethereum Foundation has published a quantum readiness roadmap. Bitcoin has BIP360. The entire world is working towards an unknown deadline that is only getting closer. The question is no longer whether current cryptography breaks. It is how fast you can replace it and whether your architecture even allows that. Every major blockchain relies on elliptic curve signatures (ECDSA). A sufficiently powerful quantum computer running Shor's algorithm can derive private keys from public keys. Wallets are exposed. Ownership collapses. The industry knows. NIST has already standardized post-quantum alternatives. The problem is if and how to upgrade your network to this standard. On most blockchains, the signature scheme is baked into the protocol. Every account on Bitcoin, every wallet on Ethereum, uses the same cryptographic primitive at the base layer. To change it, you need a fork; every validator, client, exchange, and application coordinating on a new scheme. Years of work, with the tail risk of what happens if you miss something. Swapping the engine of a plane mid-flight, while every passenger is still on board. Starknet is different. And the difference is structural. On Starknet, the signature scheme is not part of the protocol. It lives inside the account. Native account abstraction means accounts are smart contracts, and each one defines how its signatures are verified. Changing cryptography does not mean changing the chain, it simply means deploying a different account. S2morrow brings post-quantum wallets to Starknet S2morrow is in production now, directly on Starknet Mainnet. It uses Falcon-512, a lattice-based, NIST-standardized, post-quantum scheme, instead of elliptic curve signatures. It signs real transactions. Same flow, same UX surface, different verification logic under the hood. The important part is not the scheme itself. It is that a new account contract was deployed and the chain did not notice. The network did not change to enable this. On other chains, quantum migration is a chain-wide event, a hard cutover with no graceful path. On Starknet, it becomes a gradual upgrade. Users can move when they are ready. Different schemes coexist on the same network. No forced coordination. No flag day. The only blocker to making Starknet PQ right now is wallet integrations, a trivial hurdle to overcome. We have a real and clear migration path open right now: users start on ECDSA, and can easily transfer to a fully post-quantum setup - smoothly, without disruption. The architecture makes it possible. The wallet teams make it reachable. Starknet is not locked into its current cryptography. It can evolve in production, different schemes, different accounts, without breaking itself or requiring network-wide changes. S2morrow is not the only solution. It is proof that real cutting edge tech creates the best and safest environment for its users. Right now wallets on Starknet are Post Quantum. You can test and deploy your own Post Quantum wallet right now directly on Starknet. Try it: s2morrow.xyz Are you creating a wallet or application and want to dig into the code? Check out: github.com/feltroidprime/s2morrow