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Home » Blog » 9 Best Decentralized Identity Crypto EU | Top GDPR-Compliant Solutions
CRYPTO

9 Best Decentralized Identity Crypto EU | Top GDPR-Compliant Solutions

Gixona
Last updated: 13/10/2025 8:50 PM
Gixona
4 months ago
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Disclosure: We are not a registered broker-dealer or an investment advisor. The services and information we offer are for sophisticated investors, and do not constitute personal investment advice, which of necessity must be tailored to your particular means and needs. !
9 Best Decentralized Identity Crypto EU | Top GDPR-Compliant Solutions
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In this post, Ill walk you through the top decentralized identity crypto projects in the EU, spotlighting those that put privacy, legal rules, and user power first.

Contents
  • Key Points & Best Decentralized Identity Crypto EU List
  • 9 Best Decentralized Identity Crypto EU
    • 1.Altme Wallet
    • 2.Polygon ID
    • 3.TALAO Wallet
    • 4.DSR Wallet
    • 5.Validated ID (VIDchain)
    • 6.Disco
    • 7.Cred Protocol
    • 8.Veramo
    • 9.Swisstronik
  • Conclsuion
  • FAQ
    • What is decentralized identity?
    • Why is Altme Wallet considered the best in the EU?
    • What are verifiable credentials (VCs)?

As more Europeans search for safe online IDs, wallets and services such as Altme Wallet and Polygon ID are leading the pack; they work smoothly with GDPR and eIDAS yet still make Web3 experiences feel everyday.

Key Points & Best Decentralized Identity Crypto EU List

Project NameKey Points
Altme WalletSelf-sovereign identity wallet supporting verifiable credentials and Polygon ID.
Polygon IDIdentity infrastructure using zero-knowledge proofs on Polygon network.
TALAO WalletFocused on decentralized identity and digital credentials for professionals.
DSR WalletWallet integrating DID and verifiable credentials for user control of identity.
Validated ID (VIDchain)Offers secure digital identity services for businesses and individuals with GDPR compliance.
DiscoDecentralized identity protocol for portable, user-controlled data “data backpacks.”
Cred ProtocolWeb3 credit scoring and reputation system using on-chain/off-chain data.
VeramoOpen-source framework for building decentralized identity apps.
SwisstronikPrivacy-preserving blockchain infrastructure focused on identity and compliance.

9 Best Decentralized Identity Crypto EU

1.Altme Wallet

Altme Wallet is a European self-sovereign identity (SSI) app that lets people keep, share, and control their verified credentials and personal info in one safe place. Designed to meet eIDAS and GDPR rules, it keeps users legal as well as secure.

The wallet connects with Polygon ID and uses zero-knowledge proofs for selective disclosure, so you only share what you want.

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Altme Wallet

Real-world uses include DeFi KYC, digital diplomas, and smart door access. Backed by TALAO and other EU partners, Altme Wallet is a top pick for anyone in Europe looking for trustable, decentralized digital identity solutions.

FeatureDescription
Self-Sovereign Identity (SSI)Allows users full control over their identity and credentials.
Polygon ID IntegrationSupports private ZK-proof-based identity verification.
Verifiable CredentialsUsers can receive and share government/compliance-grade credentials.
GDPR & eIDAS AlignmentBuilt in compliance with European data protection and digital ID laws.
Mobile Wallet AppUser-friendly wallet available for managing digital identities on-the-go.
Backed by TALAODeveloped by a trusted EU digital ID company.
Selective DisclosureShare only necessary parts of your identity using ZK-proofs.
Visit Now

2.Polygon ID

Polygon ID is a decentralized identity system created by the Polygon team. It leans on zero-knowledge (ZK) math so people can prove parts of who they are without showing the whole story. Because it sticks to W3C rules, the tool works for KYC, DAO voting, and gated DeFi services.

Polygon ID

While the tech is global, its design fits the EU, where GDPR asks for tight control and minimal leaks of private data. Merge ZK proofs with Decentralized Identifiers (DIDs) and you get a framework ready for both regulated firms and freewheeling dapps.

FeatureDescription
Zero-Knowledge ProofsIdentity verification without revealing actual data.
DID & VC Standards SupportFully aligned with W3C standards for interoperability.
On-chain Identity InfrastructureEnables permissioned dApps, DAO governance, and private access control.
zkSNARKs IntegrationEfficient cryptographic proofs for privacy and scalability.
User-Controlled IdentityNo central authority owns your identity data.
Developer SDKsTools and libraries for easy integration into Web3 projects.

3.TALAO Wallet

TALAO Wallet is an identity app built for work credentials, letting people store and show verified diplomas, job letters, or badges safely. The young European startup pays careful attention to GDPR and lines up with EU rules such as eIDAS.

With verifiable credentials anchored on-chain, users can quickly confirm skills or job timelines without extra paperwork.

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TALAO Wallet

The wallet plugs into big protocols like Altme and Polygon ID, and it adds zero-knowledge proofs plus biometric locks for extra safety. That mix makes it a handy tool for Web3 freelancers, gig workers, and full-time pros who need privacy while moving their credentials from site to site.

FeatureDescription
Professional Credential WalletFocused on verified employment and skill credentials.
GDPR & eIDAS CompliantBuilt to meet European digital identity standards.
Verifiable Credentials SupportIssue and manage tamper-proof credentials.
Integration with Altme & PolygonSupports multiple identity networks and protocols.
Biometric SecurityEnhances identity protection on mobile devices.
Freelance & Gig Worker FocusIdeal for professionals managing digital reputations.

4.DSR Wallet

DSR Wallet acts like a personal ID vault for the growing Web3 world. With it, people can set up their own decentral-ized IDs (DIDs) and store verified certificates without handing data to a middleman.

The app runs by GDPR rules and plays nicely with other self-sovereign identity (SSI) tools, so privacy stays high and lock-in stays low.

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DSR Wallet

Users stay in the drivers seat, deciding what information gets shared and with whom across different blockchains and online services.

Although it has fewer miles on the road than competing wallets, DSR Wallet mirrors E.U. ambitions for digital ID freedom, positioning itself as a hopeful contender in the SSI arena.

FeatureDescription
Self-Sovereign IdentityUser-owned identity with no central point of control.
Verifiable CredentialsIssue, manage, and present digital credentials securely.
DID-Based ArchitectureSupports decentralized identifiers for privacy-respecting IDs.
GDPR-Oriented DesignPrioritizes user consent and data privacy.
Cross-Platform CompatibilityDesigned to work with different identity networks and services.
Interoperable ProtocolsFollows open standards for global use cases.

5.Validated ID (VIDchain)

Validated ID, a Barcelona startup, runs VIDchain, a privacy-first digital ID system that works for large companies and government offices.

With VIDchain, organizations can issue and check verifiable credentials using a decentralized setup that meets GDPR and eIDAS rules.

Validated ID (VIDchain)

The platform is already helping health, finance, and education clients prove identities in legally safe ways. By linking classic digital signatures with blockchain-based self-sovereign identity (SSI), VIDchain has carved out a key spot in Europes ID market.

Partnerships with agencies and major firms show its serious push toward real-world, court-accepted digital ID solutions across the EU.

FeatureDescription
Enterprise & Government UseTrusted by businesses and public institutions.
GDPR & eIDAS ReadyCompliant with EU privacy and digital signature laws.
Hybrid SSI ModelCombines centralized trust anchors with decentralized identities.
Credential Lifecycle ManagementFrom issuance to revocation, full credential control.
Blockchain AnchoringUses blockchain to ensure data immutability and verification.
Legal ValidityDesigned for legally recognized identity credentials.

6.Disco

Disco is an open identity protocol built around data backpacks-simple, portable pockets where users keep and share their own records. With Disco, people gather, organize, and pass credentials across Web3 without losing privacy or control.

Disco

It handles non-transferable items such as social scores, attendance badges, or club memberships. Although Disco works globally, its privacy-first code still matches GDPR and Europes push for digital self-sovereignty.

By letting data travel with users instead of locked platforms, Disco makes secure, consent-based public and private exchanges easy and flexible.

FeatureDescription
Data BackpacksUser-owned digital “backpacks” for portable data.
Non-Transferable CredentialsSupports badges, proofs, and attestations that stay with the user.
Privacy-First DesignBuilt around user consent and minimal data sharing.
Interoperable With Web3Works with decentralized protocols and smart contracts.
Reputation & Social ProofIdeal for building digital resumes and reputation layers.
Consent-Based SharingUser controls who sees what and when.

7.Cred Protocol

Cred Protocol is a trust-based system that runs on smart contracts and pulls together on-chain records and off-chain proofs to decide how reliable someone really is.

Made for DeFi and Web3 projects, it ties scores to a users wallet so that score travels wherever that wallet goes, whether in lending pools, governance votes, or social dApps.

Cred Protocol

Even though finance is the main playground, the protocol plays nice with decentralized IDs and privacy math, keeping personal data GDPR-ready.

By cutting out banks and rating agencies, it fits the EU’s big idea of digital freedom and lets people carry, prove, and update their own reputation on demand.

FeatureDescription
Decentralized Credit ScoringAggregates DeFi activity to calculate on-chain reputation.
DID IntegrationLinks scores to decentralized identities.
Privacy-Aware DesignRespects data ownership and non-custodial principles.
DeFi & Lending Use CasesUsed for under-collateralized loans and user profiling.
Cross-Platform DataPulls both on-chain and off-chain behavior signals.
Portable ReputationUsers can carry scores across apps and blockchains.

8.Veramo

Veramo is a free, open-source JavaScript toolkit that makes it simple to build apps using decentralized identities and verifiable credentials. It talks to many DID methods and credential specs, so devs do not lock their project into one chain or standard.

With a few lines of code, you can spin up identity agents and flow add, issue, or present credentials across browsers, mobile phones, and blockchains. Its modular design and focus on specs mean EU apps can easily follow eIDAS and GDPR rules.

Veramo

Think of it not as a wallet or a network but as a plug-in that fuels countless Self-Sovereign Identity solutions, especially in Europe. By enabling maps of identity that work together, Veramo acts as a backbone for many wallets and SSI platforms, both in Europe and around the globe.

FeatureDescription
Modular Identity FrameworkBuild identity agents, issuers, and verifiers with ease.
DID & VC SupportCompliant with W3C identity and credential standards.
Cross-Chain CompatibleUse across Ethereum, Hyperledger, and more.
Extensible PluginsCustomize functionality via plugin-based architecture.
SDKs for DevelopersIdeal for creating compliant Web3 ID applications.
EU-Ready StackEnables GDPR and eIDAS-compliant solutions.

9.Swisstronik

Swisstronik is a privacy-first blockchain built to handle sensitive data while obeying rules like GDPR. It runs most logic on-chain but keeps real data off-chain, using zero-knowledge proofs and smart contracts to keep secrets safe.

Companies and coders can create apps for identity checks, bank records, or health files without leaking personal details. Identity work is its sweet spot, yet the tech can power any EU-compliant decentralized data project.

Swisstronik

By mixing privacy, regulation, and fresh ideas, Swisstronik is carving out a place in Europes trust-based digital economy.

FeatureDescription
Privacy-Focused InfrastructureEnables smart contracts with confidential data processing.
Regulatory Compliance LayerSupports legal data handling (GDPR, KYC, AML).
zkProofs + Secure EnclavesCombines advanced cryptography with trusted execution environments.
Identity & Compliance SupportCan serve as the backend for decentralized identity apps.
Developer-FriendlySDKs and APIs for integrating privacy features in dApps.
Europe-Centric VisionBuilt for privacy-conscious jurisdictions like the EU.

Conclsuion

To wrap things up, Altme Wallet rates as the top decentralized identity app in the EU because it meets every GDPR and eIDAS rule, works smoothly with Polygon ID, and backs verifiable credentials with solid tech.

Built for everyday users and lined up with European law, it fits real-world projects perfectly and shows what safe, self-sovereign online ID should look like across Europe.

FAQ

What is decentralized identity?

Decentralized identity (DID) allows individuals to own, control, and manage their digital identity without relying on centralized authorities. It uses technologies like blockchain and verifiable credentials to ensure privacy, security, and user consent.

Why is Altme Wallet considered the best in the EU?

Altme Wallet offers full GDPR and eIDAS compliance, integrates with Polygon ID, supports self-sovereign identity, and is backed by the EU-based TALAO. It is tailored for European legal and privacy standards.

What are verifiable credentials (VCs)?

Verifiable credentials are tamper-proof, digitally signed pieces of information (e.g., ID, diploma) that can be verified by others without needing to access a central database.
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