A scam is a fraudulent project or scheme that never intended to fulfill its obligations to participants. In the crypto market, the term refers to deceiving investors and siphoning off their funds.

A scamcoin is a cryptocurrency created not for the sake of technology but to enrich its organizers through manipulation or premining. Such coins carry an elevated risk for holders.

Scrypt is a hashing algorithm underlying a number of cryptocurrencies. It was created to be more memory-intensive and was originally designed to resist specialized hardware.

Compilation issues are errors in converting a smart contract's source code into an executable form. Because of them a crypto exchange may reject a token when a listing application is submitted if the code fails verification.

A payment service provider (Payment Service Provider, PSP) is a service that allows payments to be accepted and sent by various methods, combining many payment methods in a single interface for businesses and users.