The account that can change the records of a name. The Controller may be changed by the Registrant or Controller.


Controller

An individual component of a name, such as 'alice'.


Label

An ENS identifier such as 'alice.eth'. Names may consist of multiple parts, called labels, separated by dots.


Name

The algorithm used to process an ENS name and return a cryptographic hash uniquely identifying that name. 

Namehash

A cryptographic hash uniquely identifying a name.


Node

 A registrar is a contract responsible for allocating subdomains. Registrars can be configured at any level of ENS, and are pointed to by the owner field of the registry.


Registrar

A registration is a registrar's record of a user's ownership of a name. This is distinct from the owner field in the Registry; registrations are maintained in the registrar contract and additionally store information on expiry date, fees paid, etc.


Registration

The owner of a registration. The registrant may transfer the registration, set the Controller, and reclaim ownership of the name in the registry if required.


Registrant

The core contract of ENS, the registry holds the data of all domain names.


Registry

-Controller
-Label
-Name
-Namehash
-Node
-Registrar
-Registration
-Registrant
-Registry


University of Michigan - Ann Arbor

ENS Domains(Ethereum Name Service Domains) are a way to simplify wallet addresses. Wallet addresses are 64 characters long and can inhibit the sending of crypto.  ENS uses domains to replace these wallet addresses. A good comparison is that of a nickname. Someone could have a very long name, so they are often referred to as a nickname for simplicity. This is how ENS works. It takes the long wallet address and consolidates it to a domain like alice.eth. These domains can be bought and sold. They require fees to be held. 


ENS Domains

ENS Terminology

NFTs
Simplify Crypto Transactions
Ethereum Sign-in
New users Attraction


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