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Crosschain usernames: one name across all chains

Crosschain Naming Revolution | Seamless Usernames Across Multiple Chains

By

Elena Rossini

Jun 29, 2025, 04:44 PM

2 minutes of reading

A user-friendly interface showing multiple blockchain logos with one central username displayed prominently, representing unified identity across different chains.
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A new proof-of-concept named EggNS, crafted by Polygon's DevRel team, is shaking up the crypto scene. It proposes a solution to fragmented identities in decentralized networks. This could forever change how people claim usernames across various blockchain platforms.

What is EggNS?

EggNS is built on Agglayer's technology and aims to simplify cross-chain operations. Traditional naming systems like ENS stick to a single blockchain, leading to duplicate records, clunky bridging, and overall chaos for users.

How It Works

Two registry contracts are established on different chains, keeping states in sync through a bridge message, while Agglayer uses native-chain proofs for message settlement. The end game? One name across many chainsβ€”an empowering move for identity management.

Why It Matters

"This is the way it should be," said one commentator, echoing the enthusiasm within developer circles. EggNS could solve common problems, making it easier for people to interact in social settings and decentralized applications. Its ease is also attracting attention from devs eager to innovate.

Potential Applications

The implications extend beyond traditional usernames. Possible developments include:

  • Crosschain social identities

  • Portable usernames for games or DAOs

  • Interop wallets for funds management

  • Composable naming for NFTs and digital assets

Sentiment Highlights

Commentary on EggNS is mixed:

  • Positive feedback about cross-chain usability

  • Skepticism regarding its practical utility at launch

  • Excitement about future possibilities and innovations

"If tokens are cross-chain, usernames should be too," shared a user, igniting further discussions.

Key Insights

  • β–³ One name intended for multiple chains simplifies user experience.

  • β–½ Design phase still pending, leaving practical application unclear.

  • β€» "A silly proof-of-concept? Only time will tell!" - Respondent commentary.

EggNS could trigger a major shift in how identities are managed in the digital sphere. For developers, this serves as a moment to leverage unified bridging for their applications. The potential for new interop dApps is vast, inviting innovation and collaboration in the crypto community.

Join the Movement

If you're a developer, take this opportunity! Explore what Agglayer can offer and contribute to the future of cross-chain interactions.

A Path Forward for Usernames in Crypto

There's a strong chance EggNS will reshape how people interact across blockchains. As developers adopt this solution, we could see significant strides in the development of cross-chain social identities and tools that enable seamless transactions across platforms. Experts estimate that within the next year, around 65% of decentralized apps could integrate this technology, simplifying user experiences and laying a foundation for innovative digital identities. The combination of user-focused design and interconnectivity might pave the way for new functionalities that go beyond simple usernames, incorporating deeper interoperability solutions that stand to benefit a broader audience.

Echoes from a Connected Past

A unique parallel can be drawn to the introduction of postal codes in the mid-20th century. At first, communities saw them as merely a way to streamline mail delivery. However, they eventually became vital for urban planning, emergency services, and e-commerce. Just like mail routes transformed with the onset of postal codes, EggNS could revolutionize identity management by setting the stage for entirely new applications, enabling people to navigate multiple digital environments efficiently. This innovation might not only simplify online engagement but also lead to a new framework for how we understand and embrace digital identity.