OKCash is a Proof of Stake cryptocurrency that was released under the MIT licence.

Paypex is an Ethereum-based token and payment network. The token is traded on a limited number of exchanges. The company's marketing materials do not describe the technical advantages of the token, or the benefits that their technology has.

eXPerience Chain is a community focused cryptocurrency with a unique Proof of Stake consensus mechanism. The team behind the project is based in South Korea. Their consensus mechanism is called Age Burnable PoS (ABPoS).