Arca Apps
Compound III app and website guide
Compound III is a lending app where users can connect a wallet to supply collateral, borrow supported base assets, and manage positions. This page covers the Compound III website or app flow, the supported token and network details, and where Arca fits at the wallet review step.
Compound III
Compound III is a lending app where users can connect a wallet to supply collateral, borrow supported base assets, and manage positions.
About the app
Compound III provides the app experience: market details, collateral settings, borrowing, supplying, position health, and protocol support.
Compound III uses WalletConnect for wallet connection, approvals, or onchain actions. Arca is the wallet review layer; check the token, network, amount, and destination before you approve or send.
- Compound III handles its own account, product, pricing, availability, and support.
- Arca helps with the wallet step so you can review connection, payment, or signing requests before continuing.
How Compound III works with Arca
Compound III is a lending protocol interface for supplying assets, borrowing supported base assets such as USDC, and monitoring positions. Compound controls market parameters, collateral factors, and liquidation rules. Arca is the wallet used to review and sign connection, approval, supply, borrow, and withdrawal actions. Confirm every market and token detail before approving.
Compound III provides the app experience: market details, collateral settings, borrowing, supplying, position health, and protocol support.
Compound III uses WalletConnect for wallet connection, approvals, or onchain actions. Arca is the wallet review layer; check the token, network, amount, and destination before you approve or send.
Supported networks and tokens
These are the networks and tokens commonly used with Compound III. Always match the exact details Compound III shows at checkout.
- Tokens
- USDC
- Networks
- Ethereum, Supported Compound III markets
- Connection
- WalletConnect
How this works
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Compound III runs the experience
Compound III handles the product, your account there, and any questions about your order.
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We're here for the payment
When it's time to pay, Arca shows up so you can see exactly what's being charged before you confirm.
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Availability depends on your country
Compound III chooses where it's available. Some features may not show up depending on where you are.
Frequently asked questions
Is Compound III part of Arca?
No. Compound III is a separate app with its own product, account, and support. Arca is a non-custodial wallet for digital dollars. They only work together at the wallet step you approve.
Which tokens can I use to pay Compound III?
Compound III accepts USDC on Ethereum and Supported Compound III markets. Always match what the Compound III checkout shows before you send from Arca.
How do I connect Arca to Compound III?
On Compound III, choose the connect option and pick WalletConnect. Scan the QR code with Arca, or tap the deep link to open Arca on the same phone. Arca shows a review screen before connecting so you can confirm the request came from you.
What if I send to the wrong network or address?
Always match the token, network, and address that the app shows before you send. Payments sent to the wrong place are usually difficult to recover, which is why Arca shows a full review screen and a clear amount before you confirm.
More apps that work with Arca
Other apps that work with Arca for the wallet step.


