Buenos Aires rolls out blockchain-based ID for 3.6 million residents

The capital of Argentina, Buenos Aires, disclosed that it has integrated the decentralized identity solution QuarkID into its miBA digital platform — the city’s platform for accessing government services and documents.

Since Oct. 1, more than 3.6 million active users of miBA have received decentralized digital identities (DIDs) secured by QuarkID — a digital identity protocol built by Web3 firm Extrimian. The QuarkID wallet is powered by ZKsync Era, an Ethereum scaling protocol using zero-knowledge rollups.

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