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
79
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
66
Tokyo ENS Meetup 2023 June
makoto_inoue
0
49
ENS for your community
makoto_inoue
0
240
ENS for the multi chain world @ EthPorto 2023
makoto_inoue
0
180
ENS on Starknet at StarkWare Session
makoto_inoue
0
60
Ethcc: The State of ENS 2022
makoto_inoue
0
220
EthShanghai ENS integration workshop - May 2022
makoto_inoue
0
140
ENS Integration workshop @ nfthack
makoto_inoue
0
60
ENS as your web3 username
makoto_inoue
0
370
Other Decks in Technology
See All in Technology
【令和最新版】AWS Direct Connectと愉快なGWたちのおさらい
minorun365
PRO
5
760
【Pycon mini 東海 2024】Google Colaboratoryで試すVLM
kazuhitotakahashi
2
550
iOS/Androidで同じUI体験をネ イティブで作成する際に気をつ けたい落とし穴
fumiyasac0921
1
110
TypeScriptの次なる大進化なるか!? 条件型を返り値とする関数の型推論
uhyo
2
1.7k
あなたの知らない Function.prototype.toString() の世界
mizdra
PRO
1
230
Exadata Database Service on Dedicated Infrastructure(ExaDB-D) UI スクリーン・キャプチャ集
oracle4engineer
PRO
2
3.2k
10XにおけるData Contractの導入について: Data Contract事例共有会
10xinc
6
680
Oracle Cloud Infrastructureデータベース・クラウド:各バージョンのサポート期間
oracle4engineer
PRO
29
13k
組織成長を加速させるオンボーディングの取り組み
sudoakiy
2
220
The Role of Developer Relations in AI Product Success.
giftojabu1
0
140
Lexical Analysis
shigashiyama
1
150
SREが投資するAIOps ~ペアーズにおけるLLM for Developerへの取り組み~
takumiogawa
1
460
Featured
See All Featured
Java REST API Framework Comparison - PWX 2021
mraible
PRO
28
8.2k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
Done Done
chrislema
181
16k
Keith and Marios Guide to Fast Websites
keithpitt
409
22k
Optimizing for Happiness
mojombo
376
70k
Rebuilding a faster, lazier Slack
samanthasiow
79
8.7k
What's new in Ruby 2.0
geeforr
343
31k
Agile that works and the tools we love
rasmusluckow
327
21k
Writing Fast Ruby
sferik
627
61k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
10
720
The Illustrated Children's Guide to Kubernetes
chrisshort
48
48k
Side Projects
sachag
452
42k
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]