ENS for your community

Transcript

1. ENS for your community
   matoken.eth
   twitter: @makoto_inoue
   SPAGHETTETH II
   25th May 2023
   

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2. ENS and subname
   NFT subnames
   Digital Twins
   Gasless names
   01.
   02.
   03.
   04.
   

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3. What is ENS subname?
   

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

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5. @ensdomains
   Ethereum Name Service
   matoken.eth
   

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6. @ensdomains
   Subname
   

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7. @ensdomains
   Subname
   - No registration fee
   - Anyone can issue
   - Great way to onboard new
   users
   

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8. @ensdomains
   Subname
   - No registration fee
   - Anyone can issue
   - Great way to onboard new
   users
   - Not NFT (unlike .eth)
   - Cost gas
   

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9. NFT subnames
   

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10. @ensdomains
    Problem recap
    - Not NFT
    - Parent can override child
    - Parent expiration affect subnames
    

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11. @ensdomains
    Solution: Name Wrapper
    

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12. @ensdomains
    Parent Fuses
    

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13. @ensdomains
    Owner Controlled Fuses
    

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14. @ensdomains
    Examples
    

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15. @ensdomains
    Fuse book
    https://mdtanrikulu.github.io/fusebook
    

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16. Digital twins
    

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17. @ensdomains
    Problem: I want to issue subdomains to
    my NFT owners
    - Ownership of subdomain follows the ownership of the NFT
    

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18. @ensdomains
    Solution: ENSIP 10: Wildcard
    .
    .eth
    .doodle.eth
    *.doodle.eth
    resolve(“1.doodle.eth”)
    resolve(“1.doodle.eth”)
    

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19. @ensdomains
    Solution: ENSIP 10: Wildcard
    .
    .eth
    .doodle.eth
    *.doodle.eth
    resolve(“1.doodle.eth”)
    resolve(“1.doodle.eth”)
    Doodle NFT ownerOf(1)
    

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20. @ensdomains
    Example in the wild
    https://twitter.com/adraffy/status/1653679293418049536
    - Gasless
    - No events
    - 0.05 eth to map the name
    - “experimental”
    

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21. Gasless
    

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22. @ensdomains
    Problem: I want to issue subdomains at
    events to participants for “free”
    - Creating subnames cost gas
    

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23. @ensdomains
    Solution
    EIP3668: Secure Offchain data retrieval
    (aka CCIP-read)
    .
    .eth
    .matoken.eth
    *.matoken.eth
    resolve(“a.matoken.eth”)
    resolve(“a.matoken.eth”)
    L2/Offchain
    Gateway service
    

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24. @ensdomains
    Intuition => NFT metadata
    https://leftasexercise.com/2021/10/03/using-nft-metadata-to-safely-store-digital-assets/
    

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25. @ensdomains
    cb.id
    

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26. @ensdomains
    lens.xyz
    

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27. @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
    

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28. @ensdomains
    Demo pack
    https://github.com/gskril/ens-offchain-registrar
    

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29. Issue subdomains to your
    community
    matoken.eth
    twitter: @makoto_inoue
    SPAGHETTETH II
    25th May 2023
    

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