Tokens come in various configurations and are to be connected to a pool. This page will list and provide more details as well as use-cases for them.
Overview of ERC-20 tokens and ERC-721 NFT contracts.
Limited Supply Tokens have a fixed total supply property configured in their contract. A token with a fixed total supply might gain in value since it could be considered a scarce asset.
Setting a total supply might seem difficult, but sometimes shouldn't be too complex. The fact that 1 unit of your token could be divided up to 18 decimals will allow you to configure very small amounts and still send millions of rewards from a pool balance of 1
When we talk about engagement tokens we usually talk about Unlimited Supply Tokens. These tokens don't have a minted total supply, but will mint new tokens whenever transfers occur.
The total supply will start at 0, grow over time and you will never have to worry about making deposits to your pool as long as your pool is allowed to mint your token.
Both Limited and Unlimited Supply Tokens could be used for making payments, exchanging value, point systems and reputation metrics.
Both the Limited and Unlimited Supply Tokens are so called Fungible Tokens. This means that they are considered to be equal to one another and therefor are perfectly suited to replace money in financial use-cases.
Non Fungible Tokens on the other hand are unique in their sort and differ in that aspect from the fungible tokens. They could be used for creating digital art collections, certificates of authenticity, in-game loot and social status.