Tokens are units of value created on a blockchain. They can represent various assets or utilities and are often used in specific ecosystems or platforms. Unlike cryptocurrencies like Bitcoin, which operate on their own blockchains, tokens typically exist on existing networks, such as Ethereum.There are different types of tokens. Utility tokens give holders access to a product or service within a platform. For example, they might allow users to pay for transaction fees or participate in a network. Security tokens represent ownership in an asset, like stocks or bonds, and are subject to regulatory oversight.Tokens can also be used for governance, allowing holders to vote on decisions affecting the project. The ability to transfer, trade, and use tokens makes them popular among investors and developers alike.In summary, tokens are versatile digital assets that serve various purposes within their respective frameworks, facilitating transactions and enabling participation in different projects.