In its Wednesday blog post, Polygon, the popular Ethereum Layer-2 scaling solution, announced the upcoming release of Polygon ID, its brand-new Web3 identity infrastructure based on zero-knowledge cryptography. Polygon first shared news about the development of the new tool in March 2022, which company described as "a blockchain-based ID for decentralized and self-sovereign models"
At the time, Polygon ID was intended to support "scalable and private on-chain verification to boost decentralized apps and decentralized finance" and to be "open to existing standards and ecosystem development."
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It seems that Polygon's developers have succeeded in bringing the project to life. According to Polygon, many Web3 projects have already started leveraging zero-knowledge proofs, a complex cryptographic method that makes it possible to prove the validity of information only by stating that it is indeed true, without the need to convey additional data.
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Companies using Polygon ID range from community management tools that use token ownership for membership curation, like Collab.Lab, to P2P payment applications such as DePay. The decentralized point-to-point airline Moov Airways AG, the digital passport application Clique, the NFT aggregator and wallet Komet, and the popular Web3 game The Sandbox prove that Polygon's zero-knowledge ID service can be used in a broad set of use cases.