A whitelist is a list of approved addresses, individuals, or entities that are given special permissions within a blockchain or crypto project. This process often occurs during token sales or initial coin offerings (ICOs), where only whitelisted participants are allowed to invest or purchase tokens.Being on the whitelist helps ensure security and control, limiting access to trusted users and reducing the risk of fraud or scams. It also allows project teams to comply with regulations by verifying the identity of participants.Users typically need to go through an application process to get on a whitelist. This can involve providing personal information, verifying identity, and sometimes even meeting specific criteria set by the project developers.Once approved, whitelisted participants can engage in activities like token purchases, early access to features, or participating in governance decisions. Overall, whitelists serve as a protective measure that fosters trust and accountability within a project.