Confidential Token (cToken)

Shield ERC-20s, send encrypted amounts, and reveal balances with your wallet’s authorization.

Try the playground

Preview widgets and copy integration code.

Start with JavaScript, React, or widgets.

Action	Result
Shield	Wrap ERC-20s into a confidential balance.
Send	Transfer an encrypted amount.
Unshield	Withdraw ERC-20s to your wallet.
Reveal	Authorize a session to view your balance.

Indexing is off by default. Opt in for history, token discovery, and prices; widgets hide those features when disabled.

Network	`network`	App
Base	`base`	Open app
Base Sepolia	`baseSepolia`	Open testnet

The playground lists USDC, USDT, and EURC in that order.

Token	Base Sepolia address (6 decimals)	Faucet
USDC	`0x036CbD53842c5426634e7929541eC2318f3dCF7e`	Circle: select USDC → Base Sepolia, enter your wallet address.
USDT	`0x0a215D8ba66387DCA84B284D18c3B4ec3de6E54a`	Aave: connect → Settings → Testnet mode → Base Sepolia → Faucet → USDT.

Use Circle’s USDC; Aave’s test USDC has a different address. Keep Base Sepolia ETH for gas. Verify the Aave USDT address.

Deployment addresses are built in. Supply your publicClient; add walletClient for balances and transactions. See network defaults and overrides.