[Retracted] A Permissioned Blockchain-Based Clinical Trial Service Platform to Improve Trial Data Transparency

Table 2

Transaction definitions in the smart contract.

Transaction	Participant	Operation	Resource (participant, asset)
User profile management	Admin	ALL	CRC, CRA, PI
Subject management	CRC, PI	ALL	Subject
Device pillbox profile management	CRC, PI	ALL	Pillbox
Device BGM profile management	CRC, PI	ALL	BGM
eCRF pillbox data management	CRC, PI, pillbox	READ, CREATE	eCRF pillbox data
eCRF BGM data management	CRC, PI, BGM	READ, CREATE	eCRF BGM data
eCRF PI consult data management	CRC, PI, CRA	ALL	eCRF PI consult data
eCRF LAB data management	CRC, PI, CRA	ALL	eCRF lab data
eCRF CRA audit	CRC, PI, CRA	ALL	eCRF audit