# PSO–Blockchain-based image steganography: towards a new method to secure updating and sharing COVID-19 data in decentralised hospitals intelligence architecture

> Research article (Multimedia Tools and Applications, 2021) · cited 63× · AI/ML

**Wikidata**: [openalex:W3123960024](https://www.wikidata.org/wiki/openalex:W3123960024)  
**Source**: https://4ort.xyz/entity/psoblockchain-based-image-steganography-towards-a-new-method-to-secure-updating-and-sharing-covid-19-data-in-decentralis