Sui Name Service (SuiNS) is a service that simplifies users' web3 identities, websites, and wallets.

Clusters is a multi-chain name service designed to solve problems such as address fragmentation, wallet management complexity and domain name preemption. It is launched by Delegate in partnership with cross-chain interoperability protocol LayerZero.

SNS is the user identity infrastructure layer on Solana. The .sol domain name can be used as your payment method, web3 username, and on-chain identity.SNS is building a composable and interactive web3 identity to help anyone anywhere connect to each other with an intuitive and user-friendly omni-chain experience.

The Ethereum Name Service (ENS) is a distributed, open, and extensible naming system based on the Ethereum blockchain. Its purpose is to map human-readable names like 'alice.eth' to machine-readable identifiers such as Ethereum addresses, other cryptocurrency addresses, content hashes, and metadata. ENS also supports 'reverse resolution', enabling Ethereum addresses to be associated with metadata such as canonical names or interface descriptions. ENS has similar objectives to DNS, the Internet's Domain Name Service, but has a significantly different architecture due to the capabilities and constraints provided by the Ethereum blockchain. Like DNS, ENS operates on a system of dot-separated hierarchical names called domains, with the owner of a domain having full control over subdomains.

SPACE ID is building a universal name service network with a one-stop identity platform to discover, register, trade, and manage web3 domains. It also includes a Web3 Name SDK and API for developers across blockchains, providing a multi-chain name service for everyone to easily build and create a web3 identity.

Linea Name Service (LineaNS) is an omnichain naming service on Linea. The project was initiated by domain registrar Star Protocol.

TNA is a naming protocol for Bitcoin designed to improve its usability and broaden its array of assets and primitives. Supporting multiple assets, TNA seamlessly integrates with all Bitcoin layer 2 solutions. It utilizes its DA framework, known as the TNA Core, to boost the mainnet’s capacity for managing cross-chain interactions and improving network interoperability.

AllDomains is a Web3 platform to create, register, and trade customizable Web3 Identities for .everyone. With AllDomains any user can choose not only a name they desire but also the community they wish to associate with, adding a new layer of customization to their Web3 identity. Be it a Token, an NFT collection, or a DAO, everyone can create their own TLD and unite their whole community under a unique brand.

BRC App is the App for BRC & Bitcoin Ecosystem that support Native .btc Domains, Launchpad, Trading with BTC, Market Intelligence.

Doma Protocol is a blockchain built for DomainFi that aims to help modernize and unlock liquidity for all domain names. Think of it as turning domain names into composable, programmable assets.

The Butterfly Protocol is a cross-chain, decentralized Domain Name System that offers Non-Fungible Token domains.

Established in 2021, d.id is a pioneer in decentralized identity (DID) systems. The company provides an array of DID-based solutions aimed at promoting community building and digital identity. Their product lineup includes .bit, a barrier-free DID issuance platform for communities and also a DID system for individuals; Voty, the first DID-based community governance system; SoulFrag, the first DID-based reputation management system; and d.id Profile, a DID-based profile for users to showcase milestones and accomplishments. With about 280,000 registered accounts and integration with more than 140 wallets and dApps, d.id is committed to building a trusted and inclusive DID ecosystem.

D3 is a next-generation domains company building interoperable web2<>web3 domain names. Its goal is to empower and offer secure, decentralized identities, with domain names at the forefront.

Berakin is a name service based on Berachain that provides customizable profiles containing aggregated data from users' on-chain and off-chain activities.

.locker is a two-part solution that offers a Web2 domain name along with a corresponding digital identity. For example, the domain name john.locker would also have a corresponding john.locker Web3 digital identity.

AZERO.ID is the official domain name service for Aleph Zero. It will be keeps user wallets and transactions fully private.

ZNSConnect is the decentralized name service for linking Omnichain. Simplifies web3 interactions, replaces complex addresses with user-friendly names.

3DNS is a decentralized domain name service (DNS) that can power real web domains. The platform brings .com, .xyz, .co, and other web domains to the blockchain's platform.

DecentraWeb is a decentralized implementation of the DNS base layer protocol on the Ethereum blockchain. It enables anyone to become a Web3 domain registrar.

Evmos Domains is a distributed and extensible naming system based on the Evmos blockchain. Its purpose is to map human-readable names, like "alice.evmos", to machine-readable identifiers, such as Evmos or Ethereum addresses, other cryptocurrency addresses, content hashes, and metadata. Additionally, Evmos Domains supports "reverse resolution", allowing users to associate metadata, such as canonical names or interface descriptions, with Evmos addresses.

Polkadot Name System (PNS) is a Decentralized Identifier (DID) infrastructure for Polkadot, which uses unique .dot domain names to replace long, meaningless, unreadable, and forgettable addresses. PNS can bind different addresses in a multi-chain ecosystem, bringing together fragmented identities so that users can present themselves more comprehensively. PNS links Web2/Web3 and integrates on-chain and off-chain data, enhancing the interactive experience of gaming, social, DAO, community governance, and more.

Sonic Name Service 是基于 Sonic 区块链上的去中心化、用户友好的域名系统。SNS 将使用户能够将人类可读的名称（以 、 结尾）映射到区块链地址、智能合约、网站等。

Spaces is a naming protocol that leverages the existing infrastructure and security of Bitcoin1 without requiring a new blockchain or any modifications to Bitcoin itself. “Spaces” serve as community identifiers that are distributed through an auction process built using existing Bitcoin scripting capabilities. Proceeds generated through auctions are irrevocably burned. Within each Space, users can create “Subspaces,” which serve as trustless individual identities, operating with a high degree of autonomy primarily off-chain but can also submit transactions directly on-chain.

Namefi.io aims to bring every domain onchain, facilitating the trading and management of internet names for the future. Built on Ethereum, it offers advanced cryptographic authentication and ledgering for secure transactions, with seamless integration into Ethereum NFT marketplaces like OpenSea, streamlining the domain trading process.

BNSx is a Bitcoin Name Service System that offer Identity Verification SDKs and Secondary Domain Service. The BNSX project aims to revolutionize decentralized identity solutions on Bitcoin's Layer 2 networks.

OpenName is an OmniChain Name Service platform based on LayerZero's cross-chain technology, which allows domain names to be transferred between multiple chains, and allows domain names to have complete control on each chain. Due to the support The features of free suffixes and the cancellation of hierarchical restrictions make OpenName have almost unlimited domain name combinations, which fully meet the needs of users for personalized domain names.

ArchID is a name service for Archway Network. Offering domains, subdomains, and web2 identity verification, ArchID enables users to mint unique domain IDs to replace lengthy strings. Users can integrate their social media profiles, saving time and effort when using multiple applications, and are afforded increased security within the ecosystem.

Starknet.id is an identity and naming service for Starknet. Users can mint a Starknet identity for free and connect it to their Twitter, Discord, or GitHub account.

BtcName is a DID standard for writing names to Bitcoin by Ordinals Protocol with plain text format.

dotblink(.blink) is a namespace and social graph for Solana. Its mission is to enable Solana users to claim and control their identity and map their connections to other Solana users.