ens.asciidoc

Ethereum Name Service (ENS)

The Ethereum Name Service (ENS) is one of the first Ethereum DApps, offering a decentralized name registry for Ethereum. It can be compared to the Domain Name System (DNS), but unlike DNS which is partially centralized, ENS is completely decentralized.

Name resolution services

• What is a name resolution service?

• Why another one?

• Why are they needed (addresses, contracts, swarm objects, etc.)

• Benefits (security, disambiguation, redirection/upgrade, readability/user experience)

• Concerns about squatting, trademarks, dispute resolution

History of Ethereum name services

ENS is not the first name registration service in Ethereum. It was preceded by "NameReg" …​

The ENS specification: ERC-137

Describe the standard

ENS contract interface

The ENS DApp

Registering a name

Figure 1. ENS timeline for registration

The ENS auction

Why an auction?

Timeline of an ENS auction

Making a bid

Finaliing an auction

Setting an ENS name resolver

Types of resolvers

Address resolver

Smart contract resolver

Swarm object resolver

ENS subdomains

Creating a subdomains

ENS secondary markets

Buying and selling names

Renting a name

Conclusion

Links:

https://ens.domains/

https://mycrypto.com/#ens

https://manager.ens.domains/

https://registrar.ens.domains/

https://github.com/ethereum/ens/

https://docs.ens.domains/