Polygon, a layer-2 scaling protocol for Ethereum, has launched a zero-knowledge decentralized identity solutionto the public nearly a year after announcing its development.
The Polygon ID service uses zero-knowledge proofs (ZK proofs) that use cryptographic techniques to allow users to verify their identity online without having their sensitive information passed or potentially stored with a third party.
Polygon Labs publicly released Polygon ID on March 1, almost 12 months after the project was officially launched in a closed-source environment.
The Polygon team says Polygon ID was built to “solve the issue of digital trust.”
ZERO KNOWLEDGE IDENTITY FOR WEB3The Polygon ID team is excited to announce 4 tools have been released in the #PolygonID Identity Infrastructure to build a more equitable internet that places identity at the center of it.The future is self-sovereign⛓https://t.co/h66KyDurJE pic.twitter.com/jTBbzBNVJk
“What sets Polygon ID apart from most other decentralized ID frameworks is its implementation of zero-knowledge technology, allowing users to verify their identities or other credentials without necessarily revealing sensitive information,” Polygon said.
The public release introduces four new tools to the Polygon ID toolset — Verifier SDK, Issuer Node, Wallet SDK and Wallet App — that will allow Polygon developers to integrate decentralized identity into their applications.
Users will be able to produce zero-knowledge proofs using off-chain credentials — such as their passport, national ID or a bachelor's degree — to interact with smart contracts and verify information on-chain.
Polygon claims it’s also the first ZK-based digital ID tool that allows users to hold credentials locally on handheld devices such
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