In a global battle to solve the COVID-19 crisis, the urgent need for secure and compliant data sharing has recently been exposed. Guardtime HSX enables citizens, patients, clinicians, life science companies, lab providers and regulators to benefit. Developers can use the APIs to integrate compliance, immutable audit, interoperability, security and multi-party computation features into existing and new health solutions. Some COVID-19 related applications may include privacy preserving contact-tracing, immunity passports, early warning alerts of medicine shortages and the auditable processing of highly sensitive health and location data.