How Buenos Aires 3.6 million citizens on board the blockchain

The City of Buenos Aires has announced a new partnership with ZKSync to enable its 3.6 million citizens to use blockchain technology for their digital identities. More than 60 documents are available on this platform.

QuarkID, the new system, is built on the previous digital ID program, which ensures more privacy and security with the trustless blockchain technology.

Argentine Blockchain Platform

Buenos Aires and ZKSync announced QuarkID on October 22, pledging to prioritize individual privacy. QuarkID uses blockchain technology and zero-knowledge cryptography to provide new access to government services to 3.6 million eligible citizens.

Read more: What is Digital Identity?

ZkSync joined this project after an all-time low review period. In July 2024, the network's active addresses dropped by 66%, and the ZK token has seen consistent declines since then. Such a new high-profile collaboration can give the company more popularity and contribute to its revival.

This Quark ID program is built on top of MBA, an existing digital identity platform in Buenos Aires. All miBA users can now access this blockchain solution, which offers many improvements. In short, QuarkID focuses on background improvement; Same user experience, but behind the scenes untrusted software saves personally identifiable information from government servers.

The incorporation of zero-knowledge blockchain technology into the city's digital identity system…[a] A milestone that puts us on the international stage… and… shows that… Buenos Aires is at the forefront of innovation. [It] George Macri, Mayor of Buenos Aires…

This digital identity program is just one step in a broader one. Acceptance of crypto and blockchain in Argentina. Since the pro-Bitcoin candidate Javier Milei won the presidential election last year, many new efforts have been launched there under the Web3 umbrella. Buenos Aires, the capital of Argentina, therefore serves as a natural starting point for such an initiative.

Read more: Crypto adoption in Argentina: everything to know

In conclusion, QuarkID aims to provide millions of users with a secure alternative to many government services. Birth, marriage and death certificates, driver's license and vaccination records, tax information and more than 60 other documents are available. Moreover, ZkSync's trustless blockchain technology makes all this information private to Argentine citizens.