# Blockchain-based access control and privacy preservation in healthcare: a comprehensive survey

> Research article (Cluster Computing, 2025) · cited 20× · AI/ML

**Wikidata**: [openalex:W4413329862](https://www.wikidata.org/wiki/openalex:W4413329862)  
**Source**: https://4ort.xyz/entity/blockchain-based-access-control-and-privacy-preservation-in-healthcare-a-comprehensive-survey