List of Decentralised Identity companies in Web3 (2026)

Solana Attestation Service is an on-chain credential system that attaches signed, verifiable claims to wallet addresses for identity and compliance use cases. Developers gate application access, restrict actions to KYC-verified wallets, or prove off-chain credentials without exposing the underlying data. The service supports both public and selectively disclosed claims through cryptographic proofs.

Basenames is a decentralised naming service on Base that enables users to register human-readable wallet identifiers such as username.base as fully on-chain NFTs. Built on ENS infrastructure, Basenames are portable across Base ecosystem applications and function as an on-chain identity layer. Names are priced by character length and registered through base.org/names.

TON DNS is a decentralized naming service that resolves human-readable .ton domains to wallet addresses and smart contracts. It stores domain records on-chain through smart contracts and uses auction-based registration for new domains. Users replace complex addresses with readable names for wallets, contracts, and decentralized services.

Celo Names is a naming service on the Celo network where users register human-readable *.celo.eth subnames as their onchain identity. Built on ENS infrastructure, registered names resolve across wallets and applications in the ENS ecosystem. Users can attach avatars, social links, and websites to personalize their onchain profile.

Proof of Machinehood is an onchain device attestation framework that establishes machine identity and hardware trust without excessive computation or capital. It places hardware attestation reports onchain through optimistic attestation, zero-knowledge proofs, and modular trust layers, enabling machines to sign data they produce and attest to the code they run. Applications can verify hardware-backed claims against an onchain registry for sybil-resistant interactions.

ZNS Domains is a decentralised identity service that lets users search for and register Web3 domain names across multiple blockchain networks. It resolves a single registered name to addresses on many supported chains, giving holders a portable on-chain identity and a customizable profile page that displays their activity and holdings. The service is aimed at wallet holders who want a human-readable identifier usable across the multichain ecosystem, and it bundles a referral program and an identity verification pass as part of the same registration flow.

World ID is a privacy-preserving digital identity protocol implementing zero-knowledge proof verification to enable users to confirm humanness and uniqueness online without revealing personal information. The system operates through biometric iris-scanning via Orb devices or device-level authentication, generating cryptographic proofs that prevent bot access and sybil attacks while maintaining user anonymity through decentralized credential storage.

An on‑chain identity protocol for machines and AI agents that enables discovery, verifiable data, and secure interactions across systems.

Nabox ID is a decentralized identity system that uses asymmetric cryptographic algorithms to create a unified Web3 identity across multiple blockchains. Users manage assets and data on different blockchain networks using a single set of keys and public keys. The platform provides identity verification and personal data services while protecting user privacy, and includes task completion features and community engagement tools for the Web3 ecosystem.

IceCreamSwap KYC is an on-chain identity verification service that issues ICEKYC, a non-transferable soulbound NFT, upon successful identity verification through a third-party partner. Project owners are required to complete KYC before listing tokens or launching projects on IceCreamSwap. Verified wallet addresses and token contracts receive a KYC badge that is publicly verifiable through the KYC Checker tool. Verified project owners can also delegate their KYC status to their token contracts via the KYC Delegator tool.

Internet Identity is a decentralized identity solution that enables users to authenticate to applications using biometric authentication and hardware security keys without passwords.

Layer3 Protocols provides two onchain systems deployed across EVM networks. CUBEs issues ERC-721 tokens as verifiable credentials for quest completions, recording protocol interactions and transaction metadata as a persistent cross-chain identity record. The Token Distribution Protocol uses the same contract infrastructure to release fungible tokens to wallet addresses based on verified onchain activity. Both systems are open-source and governed by the Layer3 Foundation.

SNS operates a naming protocol on Solana that maps .sol domains to blockchain addresses and data. Users can register permanent domain names stored as NFTs, simplify transactions by using names instead of wallet addresses, build hierarchical domain structures through unlimited subdomains, and attach records such as profile pictures and website links. The service includes Twitter handle verification that links social accounts to wallet addresses, provides SDK integration for developers building identity features, and supports cross-application identity through ecosystem-wide domain resolution.

IOTA Identity is a decentralized identity solution for secure and private digital interactions, providing tools for DID and verifiable credentials on IOTA.

A decentralized identity framework utilizing W3C DID specifications for cryptographic identity establishment, verifiable credential management, and privacy-preserving authentication across blockchain networks.

A verifiable credential service providing batch identity verification and KYC authentication through integration with global trust anchors including CFCA, IdentityMind, Shufti Pro, and social media platforms.

Platform for creating and managing custom Web3 domains and TLDs on Solana.

SignPass is an on-chain digital identity system providing blockchain-registered credentials compatible with ICAO machine-readable passport standards. The system enables sovereign nations to issue permanent residency and visa programs through cryptographic registration on Sign Protocol. Users receive physical ID cards with QR codes linking to blockchain records for verification purposes.

Passwordless authentication for web and mobile with email OTP, magic links, SMS, WebAuthn, and social logins. On signup, each user is provisioned a non-custodial wallet for one-click web3 onboarding.

ENS Manager App is a web interface for registering and managing ENS names, supporting domain registration, record management, and cross-chain address configuration. The application enables users to set up decentralized identity profiles with social media integration and subdomain creation.

ENSv2 is a major upgrade to the Ethereum Name Service built on Namechain, a Layer 2 blockchain using Linea's zkEVM technology. The system provides cross-chain name resolution, individual registries for each .eth domain, and near-zero gas costs for profile updates and subname management.

Mastercard Crypto Credential is a decentralized identity solution that replaces complex blockchain wallet addresses with simple aliases, such as an email or phone number, for sending and receiving crypto. It verifies that participating exchanges and self-custodial wallet providers meet minimum identity and compatibility standards before a transfer completes. The service is chain and asset agnostic, enabling compliant crypto transfers between verified users on partner platforms.

KGeN Engage is a questing and engagement platform that verifies real human users and tracks their reputation across gaming, commerce, and social activity. Users complete quests and campaigns to earn points and rewards, while a reputation framework aggregates verified attributes into portable on-chain profiles. Businesses use the platform to acquire and retain authenticated users through leaderboard-based drops and targeted campaigns, drawing on biometric and behavioral verification rather than self-reported data.

Galxe Passport implements a universal web3 identity system using zero-knowledge proof encryption for credential storage. Users aggregate verifiable credentials from multiple sources into portable identity profiles while maintaining control over data sharing permissions. The system stores identity data in off-chain encrypted vaults with selective disclosure capabilities for privacy-preserving verification across applications.

HAPI ID is an on-chain digital identity system providing human verification and sybil resistance for Web3 users. It calculates a Trust Score through automated analysis of wallet activity history and issues verifiable on-chain attestations that DApps use to verify user credibility. The protocol guards against multi-account abuse, gates airdrop participation, and enables staking bonuses for verified users. Deployments are supported on NEAR, Ethereum, Aurora, Linea, BNB Chain, and Base.

ELLIPAL Joy is an offline hardware device that generates cryptocurrency seed phrases without any network connection. It uses a hardware-based random number generator to produce entropy for BIP39-standard seed phrases, which are then compatible with any BIP39 wallet, including other self-custody wallets and hardware devices. Its generation method is published for independent verification, and it operates independently of any other ELLIPAL product.

ProofSnap is a content authenticity application available as a mobile app and browser extension that seals media captures with verifiable provenance. The mobile app locks GPS coordinates, device ID, and timestamps on the Numbers Blockchain alongside C2PA credentials at capture time. The browser extension creates timestamped screenshots of web pages with tamper-proof metadata sealed on IPFS and the blockchain for legally documentable evidence.

Rise ID is a blockchain-based professional identity system built on ERC-725 smart contracts deployed on Arbitrum. It stores verified KYC and KYB status, work history, and credentials in a reusable digital identity that also functions as a wallet for initiating payments. Employers, contractors, and platforms accepting Rise ID use it to skip repeated identity checks and authorize payroll transactions securely.

Mavryk Domains is a decentralized identity service for registering and managing human‑readable domain names on the Mavryk blockchain.

Privado ID is an open-source middleware for privacy-preserving decentralized identity. The platform enables organizations to issue W3C-compliant verifiable credentials and verify identity claims using zero-knowledge proofs, both off-chain and on-chain across EVM-compatible blockchains. Built on the Iden3 protocol, the toolkit includes an Issuer Node for credential issuance, a Verifier SDK for off-chain and on-chain verification, Wallet and JS SDKs for building identity wallet applications, and Schema and Query Builder tools. A web wallet and mobile application provide end-user interfaces for storing and presenting credentials.

XName provides omnichain domain name registration through ERC-721 NFTs, enabling cross-chain identity resolution and domain management across multiple blockchain networks using Axelar and LayerZero messaging protocols.

XHS provides adaptive proof of humanity scoring through biometric verification, social graph analysis, and offline event participation to generate user authenticity profiles and combat AI-driven fraud.

ZK Registry functions as a ZK Rollup for on-chain registry of abstract statements, enabling users to prove system state without revealing statement details. The registry aggregates standardized statements for identity verification, reputation, and proof-of-attendance use cases.

ZK Passport transforms biometric passports into unique, privacy-preserving digital identities through self-issuance. Users can verify uniqueness, humanity, citizenship, and age while maintaining privacy via zero-knowledge proofs.

ZK Reputation allows users to prove their reputation based on private relationships and interactions without exposing sensitive details. Using zero-knowledge proofs, users can verify their trustworthiness and standing in various communities while maintaining complete control over their privacy.

Billions App is a mobile and web platform for privacy-preserving identity verification. Users complete a liveness check or scan an NFC-enabled government ID to generate verifiable credentials stored in a self-custodial digital wallet and backed by zero-knowledge proofs. Credentials can be reused across compatible applications and blockchain networks without repeated verification. The platform issues tiered credentials Human, Verified Human, and biometric Uniqueness, and supports portable Official Profiles with Basic, Verified, and Premium tiers.

Know Your Agent (KYA) is a system that assigns verifiable decentralized identifiers to AI agents and records public on-chain attestations about their ownership, capabilities, and reputation. Each agent generates a decentralized identifier through the Agent JS SDK; a human links their Billions zero-knowledge credential to the agent using a cryptographic challenge without exposing personal data. Attestations covering ownership claims, third-party audit results, and reputation signals are stored in a public registry on Billions Chain.

8004 Protocol is an on-chain identity and reputation registry for AI agents, deployed through smart contracts. Each registered agent mints an identity record containing standardized metadata such as name, capability claims, and service endpoints, along with verifiable credentials backed by signatures and rotation policies. Other agents, applications, and MCP servers query the registry to check a counterparty's identity and reputation before granting authorization or making a payment.

FortressNames™ is a patented naming system for cryptocurrency that replaces wallet addresses with human-readable @names. The system resolves each @name to a dynamically computed, one-time stealth address unique to each sender-receiver pair, preventing address reuse and shielding transaction history from public blockchain observers. Balance privacy is provided through the Confidentiality Machine, which blinds sender balances without requiring mixing. Selective disclosure and decentralized KYC/AML credential proofs enable on-demand compliance verification without full identity exposure. The system operates across multiple blockchains, incorporates quantum-proof cryptography, and is available via SDK and API for integration into wallets and applications.

Palau Digital Residency is a decentralized identity product that issues a government-backed digital ID recognized by the Republic of Palau. It verifies applicants through a know-your-customer process and delivers the resulting identity both as a physical ID card and as an on-chain credential linked to the holder's wallet. Digital residents use the ID for identity verification, KYC compliance with exchanges and other services, and access to ancillary residency benefits such as a mailing address and priority passes. The program also issues limited utility passes granting priority access to residency services and future ancillary offerings.

LDID Protocol is a decentralized identity protocol that converts an existing legal identity document into a blockchain-based credential. It combines an off-chain identity registry with a smart contract representation of the ID in a holder's wallet, allowing third parties to validate the credential through an API. The protocol supports zero-knowledge verification, letting holders prove identity claims to exchanges, banks, or other services without revealing full underlying document data. It is minted on Ethereum, with support for additional blockchains planned.

Pubky Core provides open-source infrastructure for decentralized identity management, data routing, and hosting that powers Pubky applications.

Hyperledger Identus provides decentralized identity infrastructure through verifiable credential management and self-sovereign identity protocols. The system enables identity verification and privacy-preserving authentication for enterprise applications.

Starknet ID is an identity and domain name protocol that enables users to create unique identifiers on Starknet, register .stark domains, and manage digital credentials. The system provides APIs for applications to integrate identity verification and human-readable addresses.

Human Passport implements Sybil-resistant identity verification through verifiable credentials, enabling proof of personhood without exposing personal data. The system has processed over 34.5M credentials for 2M+ users and secured $200M+ in airdrops and grants.

Human ID implements zero-knowledge identity proofs through Human Keys, enabling private verification of identity attributes and residency. The system supports 125,000+ users across 180 countries with configurable privacy for KYC/AML compliance.

Aptos Names provides human-readable domain name service for Aptos blockchain addresses using .apt extensions. The system replaces complex wallet addresses with memorable names while supporting subdomain creation and target address configuration.

Web3.bio aggregates identity data from ENS, Farcaster, Lens, Basenames, Linea Name Service, and Solana Name Service into a unified Identity Graph. The platform maps wallet addresses and domain names to link-in-bio profile pages displaying social connections, verified credentials, and onchain activity. A graph visualization feature shows cross-platform connections between Web3 and Web2 identities.

Portals ID is an on-chain username system providing users with exclusive vanity URLs and custom identifiers for spaces and games within the Portals ecosystem, with tiered pricing based on character length.

SDK for integrating Reclaim Protocol's identity and reputation verification features into applications.

5N ID is a verifiable digital identity protocol on the Canton Network. Users connect external accounts including Google, GitHub, X, and LinkedIn, each cryptographically signed on-chain, to build a trust score. The protocol issues verifiable credentials without exposing personal data using zero-knowledge methods, and identities are registered as on-chain assets through a one-time purchase.

BlockID is a decentralized identity product that lets users verify themselves once and reuse a portable credential across the FreshCredit ecosystem. It issues verifiable credentials through an external identity platform and stores them in a self-custody, edge-held wallet, using zero-knowledge proofs so users can prove requirements without exposing underlying data. Providers use accompanying agent workflows to automate KYC and anti-money-laundering checks, and an optional self-sovereign decentralized identifier can be anchored for identity outside the default credential system.

Moonify Credential Verification is a credential verification app that stores employment and education records on blockchain and enables approvals for trusted checks.

Brove Passport converts Bitcoin transaction history into verified on-chain identity using cryptographic proofs, enabling reputation-based rewards and access without revealing balances.

Comprehensive platform for on-chain identity management and reputation scoring on Solana.

DSID is a reputation protocol that converts user activity into non-transferrable Social Attestation Tokens, enabling verifiable digital identity and wallet analytics.

Credentee is a specialized platform for issuing, authenticating, and sharing digital credentials.

Glow ID implements a decentralized identity system on Solana, allowing users to maintain an on-chain digital identity. The system enables users to control their digital presence through blockchain-based identity verification and management.

shdwDrive helps you store and access files securely by using blockchain technology, ensuring privacy and availability without relying on central servers.