Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Chainlink Japan x ENS (history of ENS auctions)
Search
Makoto Inoue
December 09, 2020
Technology
0
82
Chainlink Japan x ENS (history of ENS auctions)
Makoto Inoue
December 09, 2020
Tweet
Share
More Decks by Makoto Inoue
See All by Makoto Inoue
ENS beyond Web3
makoto_inoue
0
110
Tokyo ENS Meetup 2023 June
makoto_inoue
0
75
ENS for your community
makoto_inoue
0
290
ENS for the multi chain world @ EthPorto 2023
makoto_inoue
0
190
ENS on Starknet at StarkWare Session
makoto_inoue
0
110
Ethcc: The State of ENS 2022
makoto_inoue
0
280
EthShanghai ENS integration workshop - May 2022
makoto_inoue
0
160
ENS Integration workshop @ nfthack
makoto_inoue
0
82
ENS as your web3 username
makoto_inoue
0
390
Other Decks in Technology
See All in Technology
CI/CD/IaC 久々に0から環境を作ったらこうなりました
kaz29
1
200
AI導入の理想と現実~コストと浸透〜
oprstchn
0
150
製造業からパッケージ製品まで、あらゆる領域をカバー!生成AIを利用したテストシナリオ生成 / 20250627 Suguru Ishii
shift_evolve
PRO
1
160
事業成長の裏側:エンジニア組織と開発生産性の進化 / 20250703 Rinto Ikenoue
shift_evolve
PRO
1
700
Lazy application authentication with Tailscale
bluehatbrit
0
110
SpringBoot x TestContainerで実現するポータブル自動結合テスト
demaecan
0
120
Understanding_Thread_Tuning_for_Inference_Servers_of_Deep_Models.pdf
lycorptech_jp
PRO
0
150
高速なプロダクト開発を実現、創業期から掲げるエンタープライズアーキテクチャ
kawauso
1
340
Zephyr RTOSを使った開発コンペに参加した件
iotengineer22
0
160
解析の定理証明実践@Lean 4
dec9ue
1
200
OPENLOGI Company Profile for engineer
hr01
1
33k
「Chatwork」の認証基盤の移行とログ活用によるプロダクト改善
kubell_hr
1
240
Featured
See All Featured
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
32
2.4k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.5k
Building a Modern Day E-commerce SEO Strategy
aleyda
42
7.4k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
357
30k
Large-scale JavaScript Application Architecture
addyosmani
512
110k
BBQ
matthewcrist
89
9.7k
Why Our Code Smells
bkeepers
PRO
337
57k
Testing 201, or: Great Expectations
jmmastey
42
7.6k
VelocityConf: Rendering Performance Case Studies
addyosmani
331
24k
Fireside Chat
paigeccino
37
3.5k
Building Flexible Design Systems
yeseniaperezcruz
328
39k
Music & Morning Musume
bryan
46
6.6k
Transcript
Chainlink Japan 2020年12月 9日
Speaker (@makoto_inoue) - Developer at @ensdomains - https://ens.domains
Also known for...
Agenda - 1. What is ENS? - 2. History of
ENS Auctions - 3. ENS & Price Oracle
What is ENS? 0x5a384227b65fa093dec...
What is ENS? matoken.eth
Not just ETH (90 coins) matoken.eth
Not just coins
uniswap.eth.link
Contenthash
Uploading your website into IPFS
CI Integration via Fleek
ENS integration
Adoption
Adoption
ENS as an identity
2: History of ENS Auctions
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)
• 400k domains registered • E170k ($20M) locked • 1
engineer (when launched)
• ethfinex.eth = E 201k ($20~40M) • sportsbet.eth = E
188k • consensys.eth = E 184k Highest bid
• 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
ENS Registration (2019 5 ~) - Request to register -
Wait for a minute - Complete Registration
ENS Registration (2019 5 ~) - Request to register -
Wait for a minute - Complete Registration inside!
• 3 - 6 chars • Outsourced to OpenSea •
ENS is now NFT 2. ENS Short name Auction (2019 Sep - Nov)
Fungible vs Non fungible
Fungible vs Non fungible
Fungible vs Non fungible
Fungible vs Non fungible
NFT Universe
• 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
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
- 44 registrations on day 1 - Highest gas =
2020 gwei - 1967 registrations in day 28 3. Result
3: ENS and Price Oracle
ENS Architecture (Registrar) Registrar FIFSRegistrar ETHRegistrar DNSRegistrar Subdomain
ENS Architecture (Co) EthRegistrar RegistrarController StablePriceOracle renew(name, duration) price(name, duration)
ChainlinkOracle latestAnswer() ethPrice amount / ethPrice basePrice + premium
- MakerOracle -> Chainlink Oracle refactoring
Oracle Troubleshooting (renewal failure)
Problem 1: Not enough buffer
Problem 2: Failing on refund
Solution
Result
For more info - docs.ens.domains - Discord - https://github.com/ens -
app.ens.domains/name/ens.eth/subdomains - @makoto_inoue
Thank you! Makoto Inoue /
[email protected]