Cryptocurrency Terms and Definitions

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.

Slippage is the difference between the expected and the actual execution price of an order on a cryptocurrency exchange. It arises from market movement and a lack of liquidity.

A stale block is a block or unit of a miner's work that has lost relevance because the network or pool has already accepted another result. Such work brings no reward.

Profit is the gain obtained as a result of trading, investing or participating in a cryptocurrency project. It indicates a positive financial result of activity.