by Beverly Crawford-Westre, Activist Post:
As Brazil and Argentina move forward with the implementation of new citizen identity systems, they are developing blockchain-based networks to enhance the security of sensitive data.
Buenos Aires leads with QuarkID
Argentina’s capital city, Buenos Aires, is leaning into a new blockchain system that promises citizens faster and more reliable access to their most important government documents.
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For the initial rollout, Buenos Aires citizens will need to complete biometric know-your-customer procedures for identity verification to create a QuarkID wallet. The service then utilizes Matter Labs’ zkSync Era Layer-2 protocol as a settlement layer to ensure each document a person claims in their wallet belongs to them through signed transactions on the blockchain without including personal information. At no point is a document stored in a centralized database or on-chain, which makes data less susceptible to hacks.
The QuarkID platform is based on open-source technology, following international standards, with the aim of allowing other governments to verify future Buenos Aires city documents easily. Additionally, the open-source-based platform can be leveraged by the private sector to build applications that can also benefit from its features.
The complete roadmap for QuarkID, set to be released by year-end, aims to extend the service to over 2.5 million users.
Brazil’s national blockchain ID push
As Brazil moves forward with the implementation of a new national identity card to ensure secure data sharing between the Federal Revenue Service and civil identification entities, the government has also turned to blockchain network development for an additional layer of security.
The network, dubbed b-Cadastros, will support the Federal Revenue Service’s shared registry. It will be used to search, issue and change new ID cards and tax registration numbers. The platform was developed by the Federal Data Processing Service (Serpro), Brazil’s state-owned IT services corporation.
