Chainlink Japan x ENS (history of ENS auctions)

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