According to Blockwork, Buenos Aires, the capital of Argentina, will launch QuarkID, an open source digital identity protocol based on blockchain, to simplify the process of local citizens accessing public services. The QuarkID wallet is jointly developed by Extrimian, an on-chain digital identity solution company, and Matter Labs, a zkSync Era developer. It integrates document storage through the zkSync Era chain framework, and zkSync Era serves as the settlement layer of the QuarkID platform. QuarkID's complete roadmap will be released at the end of the year.

Citizens of Buenos Aires will be able to download the protocol’s native wallet to receive important personal documents such as birth and marriage certificates. Starting in November, citizens will be able to access proof of income and academic records in their digital wallets.