ENS on Starknet at StarkWare Session

Transcript

1. ENS on Starknet
   matoken.eth
   twitter: @makoto_inoue
   StarkWare Sessions
   5th Feb 2023
   

   View Slide

2. What is ENS?
   ENS offchain integration
   ENS on L2 and Starknet
   01.
   02.
   03.
   

   View Slide

3. What is ENS?
   

   View Slide

4. @ensdomains
   What is ENS?
   0x5a384227b65fa093dec...
   

   View Slide

5. @ensdomains
   1. Ethereum Name Service
   matoken.eth
   

   View Slide

6. @ensdomains
   2. Dweb
   

   View Slide

7. @ensdomains
   3. Avatar
   Text Record
   

   View Slide

8. @ensdomains
   POAP x IYK x ENS
   

   View Slide

9. ENS Offchain integration
   

   View Slide

10. @ensdomains
    ENS ❤ Argent
    

    View Slide

11. @ensdomains
    ENS 💔 Argent
    

    View Slide

12. @ensdomains
    - 3 request model
    - Revert, Request, Verify
    Solution 1: CCIP-read (EIP 3668)
    Secure Offchain data retrieval
    

    View Slide

13. @ensdomains
    Solution 2: Wildcard
    .
    .eth
    .matoken.eth
    *.matoken.eth
    resolve(“a.matoken.eth”)
    resolve(“a.matoken.eth”)
    L2/Offchain
    

    View Slide

14. @ensdomains
    Example: Coinbase Wallet (cb.id)
    

    View Slide

15. @ensdomains
    cb.id
    

    View Slide

16. @ensdomains
    cb.id
    

    View Slide

17. @ensdomains
    lens.xyz
    

    View Slide

18. ENS on L2 and Starknet
    

    View Slide

19. @ensdomains
    Offchain
    - DBMS / Side chains
    - No or little gas
    - Truested
    - In Production
    - cb.id/.lens
    Offchain vs L2
    L2
    - Optimistic/ZK Rollup
    - Little gas
    - On chain verifiable
    - Trust Minimized
    - No production (Yet)
    - POC on Optimism/Arbitrum
    

    View Slide

20. @ensdomains
    L2 integration per application/wallet
    foo.cb.id
    bar.cb.id
    baz.cb.id
    foo.argent.xyz
    bar.argent.xyz
    baz.argent.xyz
    foo.lens.xyz
    bar.lens.xyz
    baz.lens.xyz
    cb.id
    argent.xyz
    lens.xyz
    Offchain
    

    View Slide

21. @ensdomains
    - 1. eth_GetProof
    - 2. Check L2 state root on L1
    - 3. Verify Storage Proof with
    Merkle Tree Lib
    L2 (Optimistic)Resolver
    

    View Slide

22. @ensdomains
    - 1. eth_GetProof
    - 2. Check L2 state root on L1
    - 3. Verify Storage Proof with
    Merkle Tree Lib
    L2 (Optimistic)Resolver
    

    View Slide

23. @ensdomains
    - 1. eth_GetProof
    - 2. Check L2 state root on L1
    - 3. Verify Storage Proof with
    Merkle Tree Lib
    L2 (Optimistic)Resolver
    

    View Slide

24. @ensdomains
    - Non EVM
    - Different Address Format
    - Different hash function/prover
    - (pedersen over keccak256)
    Starknet / Zk Rollup
    

    View Slide

25. @ensdomains
    - [✔] STRK Address format
    - [ ] pathfinder_getProof
    - [ ] pedersen hash
    - [ ] ENS contracts in Cairo
    Path to ENS on Starknet
    

    View Slide

26. @ensdomains
    Enthusiastic Community
    https://discuss.ens.domains/t/ccip-implementation-for-ens-on-starknet/15691
    

    View Slide

27. Thanks
    matoken.eth
    twitter: @makoto_inoue
    StarkWare Sessions
    5th Feb 2023
    

    View Slide