# 11.2 Glossary: \- AI: Artificial Intelligence \- BSC: Binance Smart Chain \- CEX: Centralized Exchange \- DEX: Decentralized Exchange \- ERC-20: Ethereum Request for Comments 20, a technical standard for tokens issued on the Ethereum blockchain. \- ICO: Initial Coin Offering \- Presale: A phase of token sale that takes place before the official public sale. \- Smart Contract: Self-executing contract with the terms of the agreement between buyer and seller being directly written into lines of code. \- Tokenomics: The study of the design and implementation of a cryptocurrency token's economic system. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.sopdap.com/whitepaper/overview/11.0-appendices-glossary-reference-and-support-materials/11.2-glossary.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.