PumaPay is a financial service company with an open-source Pull Payment Protocol. They aim to be a comprehensive blockchain solution, with a robust payment mechanism that will rival credit cards. PumaPay's decentralized and universal payment system is designed to be flexible and easy to use.

SaluS is a cryptocurrency club that provides investment services for its members. SaluS was launched as an experimental utility coin (SLS) that would grant community members access to benefits. Their goal is to provide their members with the information and tools for making investment decisions.

The Yearn.Finance token fuels the Yearn Finance network, which was designed to help maximize profits from opportunities created by collateralized lending protocols. The Yearn Finance ecosystem consists of several platforms that enable users to seamlessly leverage the arbitrage opportunities created on Ethereum-based lending services. It includes platforms that are designed to switch lenders to optimize yields, leverage stablecoin trades, automate liquidations, and automate credit allocations. The Yearn.Finance token acts as a governance and payment mechanism for a platform that is specifically designed to help optimize profits across multiple DeFi lending service providers.