Luotettavat lääketieteelliset sovellukset lohkoketjussa : tutkimus etätodennuksen hyödyntämisestä digital twin -infrastruktuurissa

Abstract

The verification of the integrity of data recorded on blockchains is a disregarded challenge. The limitations of blockchains to provide verification mechanisms suggest the necessity to extend the data provenance verification further back into the real-world infrastructure. The deployment of blockchain in critical areas handling sensitive data, such as healthcare machines, motivates the development of such measures. The purpose of this thesis is to explore blockchains in real-world medical applications. The implementation introduces a mechanism to establish a link between real-world medical systems and blockchains by utilizing mechanisms such as Non-Fungible Tokens (NFT), Trusted Platform Module (TPM), and remote attestation. This thesis provides practical insight into the design of blockchain applications with the requirement of digital twin-like properties. In conclusion, TPM and remote authentication mechanisms can be used to verify the integrity of devices and the data they generate. However, the overall architecture of blockchains and the required infrastructure are still lacking. Thus, more investigation is required to understand the actual utility of blockchains.