An airdrop is a distribution of free tokens or coins to a large number of people. Airdrops are usually conducted by companies and projects in the cryptocurrency industry as a way to generate interest and raise awareness of their project.
A roadmap is a plan or strategy for the future development of a cryptocurrency project. It outlines the goals and objectives of the project and provides a timeline for the implementation of new features and technologies
A whitepaper is a document that provides a detailed explanation of a particular issue, technology, or product. It is typically written in a formal, academic tone and contains supporting data, research, and analysis.
Initial Coin Offerings (ICOs), Initial Exchange Offerings (IEOs), and Initial Token Offerings (ITOs) are all methods of fundraising used by cryptocurrency and blockchain projects.