Blockchain Ecosystem for Credit Transfer in Education

Table 2

Scalability analysis by considering various attacks.

Schemes	Security techniques used	Replay attack	Collision tamper attack	Sybil attack
Proposed scheme	Yes	Yes	Yes	Yes
EduCTX [2]	Yes	Yes	No	No
VECefblock [3]	Yes	No	No	No
Credence ledger [15]	Yes	No	No	No