Polygon, a popular sidechain on Ethereum, has launched a new user identification service that gives blockchain-based applications the ability to check a person’s credentials without revealing their personal data.
The service, called Polygon ID, will help in verifying users’ information while preserving their on-chain privacy. Using Polygon ID, applications running on the blockchain will be able authenticate user data while keeping sensitive information private.
To make this work, Polygon will leverage iden3, a decentralized identity protocol that uses zero-knowledge proofs — a cryptographic technology that can verify data that remains encrypted and hidden from the verifying party.
Polygon ID will find use in blockchain-related Know Your Customer (KYC) checks needed in certain regulated activities as well as custom applications. Even though crypto addresses are anonymous in themselves, the team has outlined the need for its ID. A spokesperson explained that addresses themselv
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