I will talk about Top Cross-Chain ID Solutions that manage decentralized identity, which are changing the game. Polygon ID, Ontology (ONT ID), Civic, Dock, KILT Protocol, Space ID, Unstoppable Domains, Web3Auth, and Litentry enable users to safely and seamlessly create unique, private identities over several blockchains and solve the major challenges of Web3. Let’s dive into these solutions and see what makes them special.
Key Point & Top Cross-Chain ID Solutions
| Space ID | Key Point |
|---|---|
| Litentry | Focuses on decentralized identity aggregation across multiple networks. |
| Polyhedra Network (zkBridge ID) | Uses zkSNARK technology to enable secure cross-chain data messaging. |
| Quadrata | Builds a Web3 identity passport with compliance and reputation features. |
| ZetaChain ID | Enables omnichain smart contracts that interact across any blockchain. |
| Galxe Passport | Verifies digital identity credentials for Web3 users securely. |
| Ontology ONT ID | Provides decentralized identity and data management solutions. |
| Celer cBridge ID | Powers fast and low-cost cross-chain asset transfers. |
| Crossbell ID | Manages decentralized social media identity and content ownership. |
| LayerZero ID | Connects dApps across chains with ultra-lightweight cross-chain messaging. |
1. Ontology (ONT ID)
ONT ID by Ontology is an ID framework that focuses on improving the reliability, safety, and trust on WEB3. It works on a cross-chain high-performing blockchain.
The unique possiblities of creating and managing IDs that are digitally secured. cryptographically and interoperable on multiple chains like Ethereum and BNB chain or even Polygon is made possible through the Ethereum Virtual Machine EVM support.
The whole logic of executable identity is merged using verifiable credentials and fragmented data governance enabling reliable user verification and credit scoring without losing the privacy.
Ontology’s partnerships like Litentry’s further expand its reach enabling ONT ID to function as a comprehensive solution for developers requiring secure and scalable systems in decentralized frameworks.
Ontology (ONT ID) Features
- Decentralized Identity Framework: Provides users with cryptographically-secured DIDs as ontological identities through DIDs.
- Cross-Chain Support: Compatible with Ethereum, BNB Chain, and Polygon as it can be accessed through EVM integration.
- Verifiable Credentials: Supports credential issuance and verification for use cases like credit scoring, thus creating, managing, and providing access to digital credentials.
- High Performance: Built on Ontology’s scalable blockchain, it offers efficient identity management.
- Interoperability: Litentry and other partnerships enrich cross-platform identity applications, thereby enhancing integration potential.
2. Litentry
Litentry is a cross-chain digital profile containing multiple decentralized identities. It is a single identity aggregation protocol built on Polkadot designed to combine separated identities into one profile.
It consolidates information from various blockchains as well as off-chain sources, allowing users to maintain their identities and share credentials safely.
Litentry’s My Crypto Profile (MCP) tool enhances user privacy since they control the data access without exposing their full identity.
It is also compatible with Ethereum, BNB Chain and more because of Polkadot’s cross-chain interoperability. Litentry is a primary solution for identity management in Web3 because of its focus on identity aggregation and privacy.
Litentry Features
- Identity Aggregation: Merges distinct identities present on different chains into a single profile.
- Polkadot-Based Interoperability: Achieves integration with Ethereum and the BNB Chain through Polkadot.
- Privacy Protection: My Crypto Profile (MCP) enables the selective sharing of certain information while keeping other details private.
- Verifiable Credentials: Enables the sharing of identity information securely across different platforms.
- Cross-Chain Data Linking: Facilitates management of identities across different Web3 applications.
3. Polyhedra Network ( zkBridge ID )
Polyhedra Network’s zkBridge ID is a first-of-its-kind identity protocol that does multitier cross-chain identity verification using zero-knowledge proofs to keep user personal information private and allows seamless interoperability across multiple blockchains.
Web3 tends to be very sensitive about privacy and security and zkBridge ID does not compromise on trustless, gas-efficient communication without revealing personal data.
zkBridge ID permits users to verify their placed identity across Ethereum, BNB Chain and several other networks whilst not relying on centralized bridges eroding these systems reducing risks.
The framework is constructed with zero-knowledge architecture making it attract developers who build interoperable DeFi and identity systems, extremely secure and scalable.
Polyhedra Network also stands out for applying the very needed privacy, scalability as well as multi-chain utility turning the system into an interoperable network.
zkBridge ID Polyhedra Network
- Zero-Knowledge Proofs: Validates an identity without the need to disclose any private details.
- Cross-Chain Compatibility: Operates within the BNB Chain, Ethereum, and several others.
- Cost-Effective: Acknowledgement of an identity incurs little expense.
- Scalability: Guarantees security during high volumes of transactions.
- Privacy Protection: Most suitable for Web3 interactions that require anonymity without sacrificing verification.
4. Quadrata
As per the latest information available from October 2023, Quadrata provides a unique and complete identity infrastructure layer built over existing blockchains. It issues “Identity Passport NFTs” which contain KYC/AML details, credit scores, and more enabling interaction with verified identities to be done without revealing sensitive information.
It currently operates on Ethereum and is expanding to other chains, optimistically ensuring cross-chain compatibility. It is ideal for traditional finance and Web3 integration due to its compliant design which minimally conflicts with regulatory policies.
Trust is encouraged across dApps, with Quadrata supporting enterprise APIs, anti-sybil features, age verification, and other protocols. Quadrata has a strong claim to the adoption of real world decentralized identity due to its enterprise relationships and regulatory compliance.
Quadrata
- Identity NFTs Passport: Internal data structure of KYC, AML, among other compliances.
- Compliance-Ready: Acceptable in DeFi domains with rules and regulations.
- Sybil Protection: Mitigates chances of abuse of multiple identities.
- Multi-Chain Expansion: Deployed on Ethereum with plans to venture elsewhere.
- On-Chain Reputation: Accepted and updated credentials are kept here.
5. ZetaChain ID
ZetaChain ID is a component of the ZetaChain system which specializes in blockchain omnichain interoperability. ZetaChain diverges from standard bridging solutions as it allows inter-chain operations on its Layer 1 omnichain platform via ZetaChain ID.
This provides a single identity across all blockchains, easing interactions with Ethereum, BNB, Bitcoin, and Cosmos and enabling cross-chain services. It facilitates logging into and authenticating with decentralized applications powered by cross-chain capabilities.
Users enjoy the simplicity of a single ZetaChain ID, while developers can implement identity solutions that operate on numerous chains. Its design avoids intermediary entities like wrapped assets, enabling lower security requirements, thus increasing efficiency.
ZetaChain ID
- Omnichain architecture: Identity from native sends cross-chain to various platforms like Bitcoin, Ethereum etc. ()
- Unified Login: Universal ID applicable to all blockchains.
- Direct Chain Interaction: Allows free exchange on the blockchain without wrapped tokens.
- Inbuilt Security: Outside bridges and relayers are not needed.
- Native Security DBG: Self explained: Cross-chain dApps that require Kishida Prefecture for mainshet.
- Developer Friendly SDKs: Easily addable programs for application dApps for developers.
6. Galxe Passport
Galxe Passport aggregates on- and off-chain credentials into a singular passport which users can utilize for governance, airdrops, and access to gated communities. This decentralized identity solution allows users to create and maintain their reputation across as many blockchains as they want.
Supporting cross-chain compatibility, Galxe integrates with Ethereum, BNB Chain, and Polygon. The passport consolidates identity traits from user actions, enabling projects to eliminate bot or sybil attackers. This innovation is widespread in marketing and reward programs.
Galxe Passport’s emphasis on reputation and contribution tracking makes it an invaluable asset for DAO governance and participation.
Galxe Passport
- On-Chain Reputation System: Infrastructures identity on user’s activities.
- Cross-Chain Support: Operates on Ethereum, BNB Chain, Polygon and more.
- Sybil Resistance: Aids the projects in preventing bots and fake user accounts.
- Social + Wallet Integration: Ties physical world activities to blockchain identity.
- Community Access: Facilitates restricted capabilities such as airdrops or voting.
7. Celer cBridge ID
Users are now able to be recognized across chains with Celer cBridge ID along with cBridge Network, enabling more versatility. Even though Celer is mostly known for fast, low-cost cross-chain asset transfers, cBridge ID enhances this by linking user identity across supported blockchains like Ethereum, Arbitrum, and Optimism.
It enables secure identity handshakes and can be used with dApps to maintain seamless user sessions. With privacy as a top priority, cBridge ID focuses on cross-chain interactions and the overall experience of the users.
By preserving cohesive identity recognition, this identity layer aids in the efficient accessibility of DeFi services and cross-chain applications, improving usability and trust in multichain ecosystems.
Celer cBridge ID
- Linked Identity Across Chains: Stays the same across chains.
- Fast Authentication: Features in the superfast cBridge network.
- Secure Identity Transfer: Contextualizes identity on the dApps.
- Privacy-Aware: Uses very few personal identifiable details.
- dApp-Friendly: Smooth to apply on DeFi and NFT dApps.
8. Crossbell ID
Among creators and Web3 social applications, Crossbell Network has developed Crossbell ID which serves as a decentralized identity protocol. Users can have a single identity across social media platforms, blogs, and Web3 apps, which enables Crossbell ID.
It is cross-chain compatible, allowing users to connect their wallets, content, and social interactions all under one profile. It allows uncontrolled ownership of data, allowing users to fetch monetize or export their data.
Crossbell ID bridges the gap between user identity, content, and engagement across blockchains with the emergence of decentralized social platforms, supporting Web3 initiatives like blogging and content-based NFTs.
Crossbell ID
- Web3 Creator Focused : Identity on the focal point for content platforms.
- Content + Identity Binding: Association of user’s activity and identity is immutable.
- Cross-Platform Usage: Multi-purpose for the decentralized derivatives of social and publishing dApps.
- Data Portability: The data can be controlled, exported or monetized by the user.
- Open Ecosystem: Enable Post, NFT creation and Web3 social networks.
9. LayerZero ID
Built on the layer of Zero, LayerZero ID is a decentralized identity that sits on top of LayerZero while operating on the interoperability protocol which connects several blockchains using an ultra-light client.
With LayerZero ID, users can authenticate and maintain a constant identity on blockchains without custodians and centralized data providers. It can be embedded into cross-chain applications that support DeFi, GameFi, and NFTs.
This ID system benefits from Layer zeros security model which, avoiding traditional bridges, enhances message validation through decentralized oracles.
Developers can identify user identities with LayerZero ID and enable protocol interactions in Ethereum, Avalanche, and BNB Chain securely and seamlessly.
LayerZero ID
- Native to LayerZero Protocol: Integrated into a secure cross-chain framework.
- Ultra-Light Client Security: Employs oracles and relayers for secure communications.
- Chain-Agnostic Identity: Identifiable on any chain connected to LayerZero.
- Plug-and-Play Integration: Available for GameFi and DeFi applications, as well as NFT projects.
- No Central Trust Needed: Complete trustless verification and information transfer.
Conclusion
Cross-chain ID solutions are essential for building a more connected and user-friendly Web3 ecosystem. Platforms like Polyhedra Network’s zkBridge ID and LayerZero ID prioritize security and decentralization, while Quadrata and Galxe Passport offer strong compliance and reputation systems. ZetaChain ID brings native omnichain identity, and Celer cBridge ID ensures fast, secure identity handshakes.
Crossbell ID empowers creators with interoperable social identities. Each solution plays a unique role in improving interoperability, enabling users to maintain a unified presence across blockchains—laying the groundwork for a more seamless, secure, and scalable decentralized internet.
