ChainCatcher news, the capital of Argentina, Buenos Aires, has announced the implementation of blockchain and zero-knowledge encryption technology for the issuance of digital identities. According to local media reports, the government disclosed on October 21 that it has integrated the decentralized identity solution QuarkID into its miBA digital platform, which is the platform used by the city to access government services and documents.Since October 1, over 3.6 million active miBA users have received decentralized digital identities (DID) protected by QuarkID, which is a digital identity protocol built by the Web3 company Extrimian. The QuarkID wallet is powered by ZKsync Era.The statement from the Buenos Aires government indicates that by allowing 3.6 million residents to have better control over their personal data, the city is setting new standards for privacy and security in digital identity management.

ChainCatcher news, according to Blockwork, Buenos Aires, the capital of Argentina, will launch the blockchain-based open-source digital identity protocol QuarkID in November to simplify citizens' access to public services.The QuarkID wallet is co-developed by the government and the on-chain digital identity solution company Extrimian, along with Matter Labs, the developer of zkSync Era, integrating document storage through the zkSync Era blockchain framework, with zkSync Era serving as the settlement layer for the QuarkID platform. The complete roadmap for QuarkID will be released by the end of the year.Citizens of Buenos Aires will be able to download a local wallet for the protocol to obtain important personal documents such as birth certificates and marriage certificates. Starting in November, citizens will be able to access income certificates and academic certificates in their digital wallets (which are key documents for welfare claims).