Detecting DeFi securities violations from token smart contract code

Financial Innovation

Table 13 Cosine similarity of smart contract Solidity code

	Cosine similarity		Comparison with inter-class similarity
Class	Mean	St. dev	t-value	p-value	Cohen’s d	CI(95%)
Securities violations	0.934	0.053	−0.906	0.3711	−0.337	[−1.067, 0.392]
Legitimate	0.962	0.028	0.652	0.519	0.252	[−0.506, 1.010]
			Comparison of violations and legitimate similarities
Inter-class	0.951	0.048	1.361	0.191	0.625	[−0.275, 1.523]