Blockchain-Based Contact Tracing and Information Sharing Model for COVID-19 Pandemic

Table 1

Verification approaches with their features.

Verification approaches	Benefit	Starfish
Fingerprint-based verification	More secure than other approaches and highly convincing	High-cost and difficult to implement and manage
Verification using hardware or software	More secure than the verification process using data or information	High threat of compromising sensitive data, entire data will be lost, one’s terminal mislaid
Verification using information	Nominal cost with limited resources	Centralized control, prone to vulnerability
Others	Mantation higher safety, compact deception threat	High-cost and difficult to implement and manage