# The role of $C4
## What is $C4?
*The Cardano Crocs Club Coin ($C4) is the digital currency that serves as the backbone for the entire CCC ecosystem. The purpose of $C4 is to become the financial tool used in the CCC ecosystem, including, but not limited to gaming applications, DeFi applications, marketplaces, and other utilities to be developed as Cardano grows. The total supply of $C4 is approximately 1.67 billion. Over 75% of the total $C4 supply is unlockable through staking the Cardano Crocs Club (CCC), Radioactive Crocs Club (RCC), and Baby Crocs Club (BCC) NFTs on the CCC dashboard.* [*Whitepaper (cardanocrocsclub.com)*](https://cardanocrocsclub.com/Whitepaper.pdf)
## How will I use $C4 in PFP Pit Brawl?
PFP Pit Brawl will feature an in-game store where players may purchase upgrades for their pfp(s) with $C4. Each upgrade tier will increase by 2000 $C4 and award your respective pfp with a quarter point increase in the chosen stat.
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