The Howey Test is a legal criterion used in the United States to determine whether an asset is an investment contract, that is, a security. Its outcome decides whether a token will fall under the regulator's oversight.

Silk Road was an underground online marketplace shut down by the authorities, which accepted payment in bitcoins and had a notable impact on the early fame of cryptocurrency.

KYC/AML is a set of rules under which exchanges and exchange services are obliged to identify customers and counter money laundering. Usually the procedure includes verifying identity by documents.

AML (Anti Money-Laundering) is a set of legal and technical measures designed to prevent the legalization of illegally obtained funds through cryptocurrency services and exchanges and to make the industry more transparent.