Chia Token Standard Naming

Bram Cohen

September 23, 2021

TL;DR: The Chia token standard is going to be called CAT1

We’re in the process of making a real standard for tokens which will guarantee interoperability for developers who follow it, and it needs a name. In the past we’ve used the term ‘coloured coins’ in our documentation and code to refer to tokens built on top of Chia. This has the disadvantage that it’s an esoteric bit of jargon, refers to a general concept rather than our specific implementation, and ‘coloured’ is a loaded term in many parts of the world.

We have now spent millions of dollars with a brand marketing firm, gone through extensive creative processes and… nah just kidding, I did some research, ran a few surveys through our employees and made a decision. Here’s the new glossary:


asset - a thing which can be owned. Most assets in the world have nothing to do with Chia.

token - a representation of an underlying asset, including in this case a set of coins on a chain

asset token - a divisible and fungible token, as opposed to a non-fungible token (NFT) which is less featureful

coin - a thing which exists on the Chia blockchain, analogous to a UTXO in Bitcoin

token coin - a coin which represents an underlying asset. In Chia the identity of coins changes even as the capability of being the underlying asset keeps getting passed between them

asset coin - a coin which specifically represents an asset token as opposed to a non-fungible token, or NFT

NFT coin - a coin represents an NFT. It usually has a parent which was the same NFT and a child which is also the same NFT.

CAT1 - the first Chia Asset Token standard. We may make a CAT2 in the future but it will be a while, if ever.

CAT - A Catch-all term for CAT1, CAT1.1 or CAT2 or possibly some other CAT standard in the future.

CAT1 token - a token which followers the CAT1 standard in its implementation

CAT token - a term which doesn’t specify which CAT standard is being followed. Also used if you’re being more informal or are just too lazy to type the 1. If you’re being really informal or lazy you can use the lowercase cat. You can also just call it a CAT since ‘CAT token’ is short for ‘chia asset token token’ which is valid but sounds weird.

CAT coin - a single coin which is part of a CAT token

X - a hypothetical name of a CAT token

X coin - a coin which specifically represents part of the token X. Multiple X coins can be called a litter.