REN Coin, also known as Republic Protocol, is a decentralized dark pool protocol that allows users to trade large volumes of digital assets without revealing their trading intentions to the public. The protocol utilizes secure multi-party computation technology to ensure privacy and security for traders.

In terms of ranking, REN Coin currently holds a market capitalization of over $1 billion, making it one of the top 100 cryptocurrencies by market cap. It has a strong community of supporters and developers who are actively working on improving and expanding the protocol.

REN Coin has been gaining popularity in the decentralized finance (DeFi) space due to its innovative technology and the growing demand for privacy-focused trading solutions. The protocol has been integrated into various DeFi platforms, allowing users to access dark pool trading directly from their wallets.

Additionally, REN Coin has been listed on major cryptocurrency exchanges, making it easily accessible to a wide range of traders and investors. The coin has also been performing well in terms of price, with a steady increase in value over the past year.

Overall, REN Coin is seen as a promising project in the cryptocurrency space, with a strong community and growing adoption. Its unique technology and focus on privacy make it a valuable asset for traders looking to execute large volume trades without revealing their intentions to the public.