VdaBSC: A Novel Vulnerability Detection Approach for Blockchain Smart Contract by Dynamic Analysis

Table 1

Smart contract samples distribution.

Category	Test set	Train set	Total samples
Vulnerable	1,752	6,791	8,543
Nonvulnerable	16,853	3,122	19,975
Reentrancy	1,608	272	1,880
TOD	1,521	882	2,403
Integer overflow	1,696	423	2,119
Integer underflow	680	420	1,100
Unchecked return values	721	320	1,041