The ENS v2 plan is not just a migration of some protocols, but will also redesign the architecture from scratch.

By: 0XNATALIE

Yesterday, ENS Labs announced the launch of the ENS v2 plan, aiming to expand the Ethereum Name Service (ENS) to Layer 2 by migrating some core functions of ENS to Layer 2 to reduce gas fees. As early as 2020, the ENS team began exploring solutions for integrating ENS with L2. Over the past four years, the team's work has evolved from building standard interfaces to interact with L2 and ENS, to developing dedicated L2 solutions, with ongoing discussions around these solutions.

ENS has not only attracted attention from the community but also received strong support from Vitalik Buterin. In an Ethereum developer survey, Vitalik explicitly stated that he would use ENS to manage his name on the Status app. He has expressed that ENS is one of the most successful non-financial applications and has called for all Layer 2 solutions to focus on developing CCIP parsers to enable direct registration, updating, and reading of ENS subdomains on Layer 2.

Introduction to ENS

ENS is a distributed, open, and scalable naming system built on Ethereum. It aims to provide users in the Ethereum ecosystem with readable domain names for identification and interaction. It maps human-readable names (such as example.eth) to machine-readable identifiers, such as Ethereum addresses, other cryptocurrency addresses, content hashes, metadata, and more. ENS supports "reverse resolution," allowing users to query relevant metadata for a given Ethereum address.

Similar to the traditional Internet Domain Name System, ENS allows users to map complex Ethereum addresses to easily memorable domain names. Through ENS, users can use concise domain names to receive cryptocurrency payments, access DApps, and perform other Ethereum-related operations. These domain names are owned by smart contracts of different registrars, which specify the rules for name allocation. For example, the ETH registrar is responsible for .eth domain names, allowing trusted decentralized names to be issued as tokens on the Ethereum blockchain, with registration completed through smart contracts and name ownership guaranteed by the Ethereum blockchain.

In addition, ENS supports subdomains, meaning that the owner of a domain name can control the resolution process. For example, if Alice owns alice.eth, she can create a subdomain pay.alice.eth and configure and manage it according to her needs.

What are the changes in ENS v2?

The ENS v2 plan is not just a migration of some protocols, but will also redesign the architecture from scratch. ENS v2 will achieve:

• Reduced gas fees: By migrating core functions such as registering and renewing .eth domain names to Layer 2, significant reductions in gas fees associated with these operations can be achieved, making ENS more cost-effective and faster.
• Introduction of new architectural design: The ENS v2 plan introduces a layered registration system, where each .eth domain will have its own personal registry. This means that each .eth domain will have an independent record for storing information related to the domain (such as ownership transfer history) and configuration (such as creating subdomains), allowing users to better control the ownership of their domains, thereby enhancing flexibility and customization.
• Improved multi-chain interoperability: After migrating ENS to Layer 2, .eth domains will integrate more smoothly into various blockchains. Through the use of the CCIP-Read Gateway (which allows Ethereum domains to be read on other blockchain networks) and compatible resolvers, users' .eth domains can achieve trustless connections across different networks.

The team has already begun evaluating Layer 2 and customizing L2 for the ENS migration, and has started to develop a phased migration plan and timeline. They will also propose funding requests to the ENS DAO in the coming weeks to support ENS Labs in the development and deployment of ENS v2.

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