Ethereum Name Service


Discover Ethereum Name Service's fundamentals and latest news.

This content was generated by Whalee (BETA), an AI crypto assitant that analyses cryptocurrencies. Informations can be incomplete and/or erroneous. Please always double check and DYOR.

What is Ethereum Name Service?

Ethereum Name Service (ENS) is a decentralized system built on the Ethereum blockchain that allows users to replace lengthy and complicated crypto addresses with easy-to-read and memorable domain names, similar to website URLs or email addresses. This service maps human-readable names to machine-readable addresses, making it simpler to manage and share crypto addresses.

How is Ethereum Name Service used?

The Ethereum Name Service (ENS) is a decentralized naming protocol built on the Ethereum blockchain. It allows users to create human-readable names for their blockchain addresses, making it easier to manage and interact with various blockchain assets. Here are some key ways ENS is used:

  1. Simplifying Address Management: ENS enables users to create a single, memorable name (e.g., "Rick.eth") that can be used to receive any type of cryptocurrency, token, or NFT, eliminating the need to share long, complex addresses.

  2. Decentralized Domain Naming: ENS operates similarly to DNS but uses decentralized smart contracts on the Ethereum blockchain, ensuring security, transparency, and censorship resistance. Users can buy and manage their own domains, reducing the likelihood of input errors when sending funds.

  3. Cross-Chain Naming: ENS supports naming for various blockchain assets, including crypto wallets, content hashes, metadata, and smart contracts, making it a versatile naming system for the wider blockchain ecosystem.

  1. Importing DNS Names: ENS allows users to import existing DNS names, enabling the use of blockchain technology for these domains. This integration prevents naming collisions and ensures forward compatibility with DNS.

  2. Censorship-Resistant Websites: ENS can be used to launch decentralized websites, which are stored on IPFS and accessed using ENS names, providing a secure and decentralized way to host online content.

  3. Governance and Token: ENS has a governance system based on the ENS token, which is used for voting on proposals and managing the development of the protocol. The ENS token was airdropped to early adopters and is used for governance purposes.

Overall, ENS simplifies the use of blockchain technology by providing a user-friendly naming system that is secure, decentralized, and versatile.

How do I store Ethereum Name Service?

To store Ethereum Name Service (ENS) tokens, you can use a Ledger hardware wallet. Ledger wallets are designed to securely store your private keys and allow you to sign transactions offline, making them resistant to malicious attacks and threats. You can connect your Ledger hardware wallet to a compatible third-party wallet, such as MetaMask or Rabby, to manage your ENS tokens. This setup enables you to review and sign transactions securely, ensuring the protection of your ENS tokens.

How to buy Ethereum Name Service?

To buy Ethereum Name Service (ENS) tokens, follow these steps:

  1. Create a Coinbase Account:

    • Download the Coinbase app and sign up.
    • Verify your ID and add a payment method (bank account, debit card, or wire transfer).
  2. Start a Trade:

    • On, select "Buy & Sell."
    • On the Coinbase mobile app, tap the (+) Buy on the Home tab.
  3. Select Ethereum Name Service:

  • On, click the Buy panel to search and select Ethereum Name Service.
  • On the Coinbase mobile app, search for Ethereum Name Service by typing "Ethereum Name Service" into the search bar.
  1. Enter the Amount:

    • Use the number pad to input the amount you want to spend in your local currency.
    • The app will automatically convert this into an Ethereum Name Service amount.
  2. Finalize Your Purchase:

    • Tap "Preview buy" when ready.
    • Review the purchase details and confirm by clicking "Buy now."
  3. Confirmation:

  • Once the order processes, you will be taken to the confirmation screen, indicating that you have successfully bought Ethereum Name Service tokens.
Ethereum Name Service
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History of Ethereum Name Service

The Ethereum Name Service (ENS) was officially launched in May 2017 with the goal of improving the usability of blockchain addresses. Prior to ENS, users had to rely on lengthy and error-prone hexadecimal addresses to send and receive Ethereum and other tokens. ENS introduced a more user-friendly approach by allowing users to register and manage domain names on the Ethereum blockchain, replacing complex addresses with human-readable names ending in .eth.

ENS expanded its support to include more than 100 distinct blockchains, allowing users to associate multiple wallet addresses with their ENS names and receive payments in various cryptocurrencies. This feature empowered ENS names to accommodate numerous wallet addresses across different blockchains, making it easier to interact with decentralized applications (DApps) and receive payments in a variety of cryptocurrencies.

In November 2021, ENS introduced its native utility token, ENS, through an airdrop to domain holders, contributors, and the ENS DAO community treasury. This token is used for governance of the ENS protocol and the management of the community treasury.

ENS has become an integral part of the Ethereum ecosystem, simplifying the way users interact with blockchain addresses and contributing to the broader adoption of decentralized technologies. It continues to innovate and enhance its services to provide a seamless naming experience for users in the decentralized world.

Ethereum Name Service
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How Ethereum Name Service works

The Ethereum Name Service (ENS) is a decentralized naming system built on the Ethereum blockchain. It works similarly to the Internet's Domain Name System (DNS), but with significant differences in architecture and security. Here's how it functions:

Registry and Ownership

ENS uses a hierarchical system of domains, with each domain having an owner. The owner can transfer the domain to another account at their discretion. The registry is responsible for recording and tracking domain ownership. It is managed by smart contracts called registrars, which allocate subdomain names and can be altered at any point within the ENS. Owners can also reclaim their domain names if needed.

Names and Namehash

ENS uses a unique algorithm called the "namehash" to process domain names. This is necessary because the ENS system only works with 256-bit cryptographic hashes. The namehash ensures that human-readable names are converted into these hashes while preserving the hierarchical properties of the domain. For example, the namehash for "john.eth" would be 0x787192fc5378cc32aa.

Normalization and Case Sensitivity

Before the namehash is applied, names are normalized to treat upper- and lower-case names equally. This ensures that all users see the same view of available names and domains on the ENS.

Security and Decentralization

Unlike traditional DNS systems, which store records on centralized servers and are prone to hacking, ENS stores data on the decentralized Ethereum blockchain. This makes it more secure and resistant to security breaches.

Integration and Use Cases

ENS supports names outside the blockchain via CCIP read and allows users to import their DNS domains, distribute subnames, and store records. It also supports various data types, including Ethereum addresses and emails. Users can query the ENS using an API endpoint and receive a JSON response.

Benefits and Impact

ENS simplifies the process of sending and receiving cryptocurrencies and NFTs by replacing complex wallet addresses with easy-to-remember domain names. It also enables the creation of portable Web 3.0 usernames, making it easier for users to interact with decentralized applications and smart contracts. This technology has the potential to become the naming protocol of the decentralized internet.

Ethereum Name Service
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Ethereum Name Service's strengths

The Ethereum Name Service (ENS) has several strengths that make it a significant improvement over traditional naming systems:

  1. Security: ENS records are secured by the Ethereum blockchain, making them resistant to hacks and tampering. This is in contrast to traditional DNS systems, which are vulnerable to attacks and can be compromised by centralized servers.

  2. Decentralization: ENS is a decentralized, open-source system, ensuring that it is not controlled by any single entity. This decentralized nature allows for greater transparency and security.

  3. Ease of Use: ENS simplifies the process of sending and receiving cryptocurrencies by replacing long, complex addresses with human-readable names. This makes it easier for users to manage their digital assets and reduces the likelihood of errors.

  1. Flexibility: ENS supports a wide range of identifier types, including wallet addresses, hashes, and other machine-readable identifiers. It also allows users to create subdomains and manage their own domains, giving them greater control over their digital presence.

  2. Integration with Web3: ENS is native to the Ethereum ecosystem and is designed to work seamlessly with Web3 applications. This makes it an essential tool for users and developers in the Web3 space.

  3. Customization: ENS allows users to create custom domains and subdomains, giving them greater flexibility and control over their online identities.

  1. Investment Opportunities: ENS domains can be bought and sold like NFTs, providing an investment opportunity for users. The rarity of certain domains can increase their value, making them a sought-after asset.

Overall, ENS offers a robust and user-friendly solution for managing digital identities and assets on the Ethereum blockchain.

Ethereum Name Service's risks

Ethereum Name Service (ENS) faces several risks, primarily related to security and the potential for abuse. Some of the key risks include:

  1. Squatting and Misuse: ENS names are highly prone to squatting, where attackers register large numbers of names, often with malicious intentions. This can lead to the proliferation of scam blockchain addresses and malicious websites.

  2. Record Persistence Attacks: Attackers can renew expired names and edit records, potentially causing harm to innocent buyers who purchase these names.

  3. Decentralized Nature: While ENS is decentralized, this also means that it lacks a central authority to regulate and prevent malicious activities. This can make it challenging to mitigate security issues and maintain trust in the system.

  1. Scalability and Adoption: ENS faces challenges in achieving widespread adoption, which is critical for its long-term success. The current squatting of ENS names and the lack of effective measures to prevent such activities can hinder its growth.

  2. Dependence on Ethereum: ENS is built on Ethereum, so its success is closely tied to the performance and security of the Ethereum blockchain. Any issues with Ethereum can have a direct impact on ENS.

These risks highlight the need for continued development and improvement of ENS to ensure its security, scalability, and adoption.

Ethereum Name Service
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Did Ethereum Name Service raise funds?

Ethereum Name Service
We give you the tools to invest your time and money in 1000+ tokens.

Ethereum Name Service’s team

  • Nick Johnson: Founder of Ethereum Name Service (ENS), a decentralized naming system that allows users to convert complex Ethereum addresses into human-readable names. He was initially part of the Ethereum Foundation and worked on Swarm, a decentralized data storage project, before developing ENS.

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