Odaily News Buenos Aires, the capital of Argentina, has announced the implementation of blockchain and zero-knowledge cryptography for the issuance of digital identities. According to local media reports, the government disclosed on October 21 that it had 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, more than 3.6 million active miBA users have received a decentralized digital identity (DID) protected by QuarkID, a digital identity protocol built by Web3 company Extrimian. The QuarkID wallet is powered by ZKsync Era. According to a statement from the Buenos Aires government, "By giving 3.6 million residents greater control over their personal data, the city is setting a new standard for privacy and security in digital identity management." (Cointelegraph)