OKCash (OK) is a multi-chain, decentralized, and open-source platform, functioning as a Proof-of-Stake Bitcoin Companion. It is used for a variety of purposes in the DeFi space, including as a multi-chain DeFi token, providing liquidity and integration with other networks, offering access to diverse DeFi tools, standardizing across different blockchain formats, supporting NFT creation, and allowing flexible node management. The project was developed by an anonymous individual known as Oktoshi.