MUNICIPAL INTEGRATION: The city of Buenos Aires has launched a digital identity service designed to strengthen residents’ privacy using zero-knowledge proofs, a type of cryptography that long predates but often bolsters cryptocurrencies. The service, QuarkID, has been integrated into miBA, the city’s seven-year-old app for accessing municipal services and documents. The idea, in short, is to give 3.6 million porteños – residents of Buenos Aires – greater control over their personal information. The ZK proofs will let users show that a document has indeed been authenticated by the government without disclosing information that is irrelevant to the task at hand. The development has got some industry executives buzzing: “It sounds like if this goes well, other countries in the region, like Uruguay, could follow suit,” Harrison Seletsky, director of business development at digital identity platform SPACE ID, told CoinDesk in an emailed statement.
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