Linkey is a blockchain investment services platform powered by the Ethereum-based LKY token. Linkey provides clients with digital asset related investment management. Customers are able to tailor their risk preferences and invest in a variety of blockchain-based financial instruments.
The platform is powered by the LKY token and will have limited community governance.

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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.

Circle is one of the oldest and most established blockchain-based financial companies. Circle offers several financial products and is a major player in the cryptocurrency sector. Their primary goal is to provide an easy on and off ramp to the crypto market that will encourage adoption and increase integration with other financial markets.
The company recently acquired the Poloniex exchange and now offers payment, trading, and investment options for a limited number of tokens.
Circle has received hundreds of millions of dollars in investments and has offices in several countries. They are fully regulated in the US and US, and provide services to people in over 20 countries.
Circle is now developing a fiat based token called USDC tat they hope will add greater stability to the crypto market.