Key Takeaways
- Concordium has launched a new identity app that enables users to verify their age without exposing personal data, using privacy-first cryptography.
- The app, Concordium ID, is built on zero-knowledge proofs, allowing users to prove eligibility, without sharing sensitive information.
- The release follows increasing regulatory pressure, with laws, like the UK’s Online Safety Act and France’s age-verification mandate, pushing platforms toward stricter age checks.
- Unlike many blockchain projects, Concordium embeds its identity tools at the protocol layer, making privacy-preserving verification easier to deploy across digital platforms.
Layer-1 blockchain firm Concordium has released a new identity app that enables users to verify their ages without disclosing personal information.
According to the company, the app, called Concordium ID, is based on zero-knowledge proofs, which is a type of cryptography that confirms facts without revealing underlying data, in order to protect user privacy.
Designed for both traditional websites and blockchain-based platforms, Concordium ID allows users to create secure digital identities that can be used for age checks and, eventually, other types of verification.
Why now, and why it matters
Digital platforms are under growing pressure to tighten age and identity checks as lawmakers push for stronger safeguards around access to age-restricted content and services, with the UK’s Online Safety Act, the US GENIUS Act, and new French legislation among the first major efforts to mandate stricter compliance from digital platforms.
However, most current systems come at the expense of user privacy, as they often require people to submit official documents or personal data that ends up stored in centralized databases.
Common approaches range from self-declared age checkboxes to mandatory ID uploads, both of which raise concerns. The former is easy to fake while the latter introduces risks around data security, regulatory compliance, and user trust.
Concordium’s new app aims to solve that trade-off. Rather than collecting or storing personal information, it verifies age and other eligibility criteria through a privacy-first model. The app lets users prove they meet certain requirements, such as being over 18, without revealing any unnecessary details about themselves.
That is made possible by zero-knowledge proofs, a cryptographic method that allows one party to prove a claim without exposing the underlying data.
While several blockchain projects are exploring ZKPs for identity and compliance, Concordium is one of the few to embed the technology directly into the core protocol. That makes it easier to implement privacy-preserving tools at scale while positioning the project as core infrastructure for a more compliant and privacy-respecting digital ecosystem.
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