Chainlink Japan x ENS (history of ENS auctions)

Transcript

1. Chainlink Japan 2020年12月 9日

2. Speaker (@makoto_inoue) - Developer at @ensdomains - https://ens.domains

3. Also known for...

4. Agenda - 1. What is ENS? - 2. History of

   ENS Auctions - 3. ENS & Price Oracle

5. What is ENS? 0x5a384227b65fa093dec...

6. What is ENS? matoken.eth

7. Not just ETH (90 coins) matoken.eth

8. Not just coins

9. uniswap.eth.link

10. Contenthash

11. Uploading your website into IPFS

12. CI Integration via Fleek

13. ENS integration

14. Adoption

15. Adoption

16. ENS as an identity

17. 2: History of ENS Auctions

18. ENS Initial Auction (2017 May 4th) • Sealed bids over

    7 days • Winning bid is locked • Vickrey auction (the winner pays the second-highest price, not the price they themselves bid)

19. • 400k domains registered • E170k ($20M) locked • 1

    engineer (when launched)

20. • ethfinex.eth = E 201k ($20~40M) • sportsbet.eth = E

    188k • consensys.eth = E 184k Highest bid

21. • darkmarket.eth = E20k ($2~4M) • openmarket.eth = E10k •

    exchange.eth = E6k • ethfinex.eth = E 201k ($20~40M) • sportsbet.eth = E 188k • consensys.eth = E 184k Highest bid Highest won

22. ENS Registration (2019 5 ~) - Request to register -

    Wait for a minute - Complete Registration

23. ENS Registration (2019 5 ~) - Request to register -

    Wait for a minute - Complete Registration inside!

24. • 3 - 6 chars • Outsourced to OpenSea •

    ENS is now NFT 2. ENS Short name Auction (2019 Sep - Nov)

25. Fungible vs Non fungible

26. Fungible vs Non fungible

27. Fungible vs Non fungible

28. Fungible vs Non fungible

29. NFT Universe

30. • 50,355 bids • 7670 names • Highest bid ◦

    Amazon.eth 100 ETH ◦ Wallet.eth 75 ETH ◦ Google.eth 52.9 ETH ENS short name auction result

31. 3. Price premium (2020/8~) - 90 days grace period -

    Starts from 2k Premium - Decrease to 0 over 28 days - (aka Dutch Auction) - To prevent squatting

32. - 44 registrations on day 1 - Highest gas =

    2020 gwei - 1967 registrations in day 28 3. Result

33. 3: ENS and Price Oracle

34. ENS Architecture (Registrar) Registrar FIFSRegistrar ETHRegistrar DNSRegistrar Subdomain

35. ENS Architecture (Co) EthRegistrar RegistrarController StablePriceOracle renew(name, duration) price(name, duration)

    ChainlinkOracle latestAnswer() ethPrice amount / ethPrice basePrice + premium

36. - MakerOracle -> Chainlink Oracle refactoring

37. Oracle Troubleshooting (renewal failure)

38. Problem 1: Not enough buffer

39. Problem 2: Failing on refund

40. Solution

41. Result

42. For more info - docs.ens.domains - Discord - https://github.com/ens -

    app.ens.domains/name/ens.eth/subdomains - @makoto_inoue

43. Thank you! Makoto Inoue / makoto@ens.domains