Karma refers to the belief that the sum of a persons good and bad decides that persons fate. Karma token uses the blockchain to improve the good in people. Karma can be used to thank a person for a good action. The KRM received can then be traded on the free market. Its like Karma on Reddit but with a value attached with it. It encourages people to give and do good things. Because Karma token is based on Ethereum, it is generally fast with cheap transaction fees. It is an ERC 20 token. This means you can store your rewards for your good deeds on many supported hardware and software wallets.