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Aonyx further improves privacy in Singapore's hybrid contact-tracing assistance tool — TraceTogether — without impacting health and economic outcomes. It does so by serving as an honest broker to withhold contact and identity information until/unless contact tracers evaluate a user as being potentially exposed to SARS-CoV-2. It also reports the fact of disclosure to each affected user and shares disclosure statistics publicly. The broker is in turn secured by hosting it inside a secure enclave in any of the major PaaS providers.<br><br>Aonyx similarly facilitates the creation and use of free software / free hardware tokens for TraceTogether by serving as an honest broker, in this case to protect the system-wide AES key while generating the signed 15-minute rotating identifiers required to participate in the BlueTrace Light protocol.<br>
