Practically a document which confers certain ownership rights on its purchaser. It is a very advanced form of IOU which lets its holder lay claim to some future profit.
02 — Payment Token
Locally applied currency associated with a specific application that is held in the owners’ in-app wallet as a means of payment for goods or services.
03 — Utility Token
Intended to provide access digitally to a service by means of a Blockchain-based infrastructure and offer owners a clearly defined utility within a network. In other words, when a user purchases utility tokens during an ICO, they are gaining a sort of coupon for future services.