Practice With Real Cryptocurrencies On Real Blockchains

No fake wallets. No simulations. You'll receive a real cryptocurrency airdrop and use it for live practical exercises.

Real Cryptocurrencies. Live Blockchain. No Simulations

Practice with cryptocurrencies we built and deployed on Polygon — the same network used by real-world financial applications.

c4 LEARN (LEARN)
Our native learning token — used for course exercises, rewards, and platform interactions. Live on Polygon.

Total Supply: 21,000,000
Decimals: 4
Network: Polygon
c4 USD (USD)
A stablecoin-style token for payment and transaction exercises — helping you understand how dollar-pegged assets move on-chain..

Total Supply: 1 trillion
Decimals: 4
Network: Polygon
c4 JPY (JPY)
A Yen-pegged stablecoin-style token for cross-border transaction exercises — practice tracing international flows on a live blockchain..

Total Supply: 1 trillion
Decimals: 4
Network: Polygon