AUTHOR=Alamsyah Andry , Setiawan I. Putu Sadhu TITLE=Enhancing privacy and traceability of public health insurance claim system using blockchain technology JOURNAL=Frontiers in Blockchain VOLUME=8 YEAR=2025 URL=https://www.frontiersin.org/journals/blockchain/articles/10.3389/fbloc.2025.1474434 DOI=10.3389/fbloc.2025.1474434 ISSN=2624-7852