Whitelist

A Whitelist is a list that contains authorized and identified items, individuals or institutions that have access to certain resources, services or functions.
In the context of cryptocurrencies and ICOs (Initial Coin Offering), whitelist refers to a list of individuals or institutions that are eligible to participate in a particular offering.
Investors who wish to participate in an ICO must be added to the whitelist by the project creators. This is a form of access control to ensure that participants are identified and meet certain criteria.
Transaction Security:
Whitelists are also used in transaction security. Cryptocurrency wallet addresses or public keys entered on a whitelist are considered trusted and authorized for certain actions.
Protection Against Fraud:
Whitelists help protect against fraud and unauthorized access to resources. Unique identifiers or access keys are added to the whitelist, limiting access to only those who are authorized.
ICO and Pre-sale:
In the case of cryptocurrency tokens, project developers often organize a pre-sale or ICO, during which a certain number of tokens are available only to participants from the whitelist.
Access Management:
Whitelists are also used to manage access to specific features in smart contracts. Specific addresses can have access to certain operations or functions, while others are restricted.
Applications Beyond Cryptocurrencies:
The concept of whitelist is used extensively outside of cryptocurrencies, such as in computer security systems, network access, and managing access to specific resources.
Whitelists are a tool for regulating access and identifying participants in the context of cryptocurrencies, ICOs and other areas where there is a need to control and authorize access to specific resources or services.