Tokens, in general, are non-mineable digital units of value that exist as blockchain registry entries. They are not directly a part of the blockchain hashing values, but they are constructed and utilized on top of a blockchain with some value or identity tied to them. Tokens are transferable units of value released on a blockchain rather than crypto like Bitcoin or Ether.
Tokens can be used as currency for certain ecosystems, or they can be used to encode unique data. Examples of blockchain tokens are reward, money, utility, security, and asset tokens. Furthermore, specific tokens may be redeemable for off-chain assets such as gold, real estate, or equities.
Tokens are generally issued by companies using existing third-party blockchains such as the Ethereum blockchain, as exemplified by the many ERC-20 tokens issued and sold through ICOs in 2017. Matic is one ERC-20 token built on the Ethereum blockchain, which powers the Polygon Network.
Token Supply simply refers to a given number of tokens. There are many token supplies like Initial Token Supply, Current Token Supply, Total Token Supply, Maximum Token Supply, Unlimited Supply, Minted Tokens, etc. These terms form the foundation of the token economy.
