This series invites you behind the scenes of EXTRA WALLET, unveiling the architecture and smart technologies that simplify and secure your daily crypto activities.

In this text, we’ll look at Compound, the decentralized lending infrastructure that powers the Earn (Staking) extension in EXTRA WALLET. This integration lets you supply assets and earn yield directly from your wallet, while keeping full control over your funds.

On-chain lending lets you earn yield by supplying assets directly to decentralized liquidity pools. Interest rates adjust automatically based on supply and demand. There are no intermediaries or approval processes. All interactions happen through transparent smart contracts, so you keep full control over your funds. Lending is a core part of DeFi, but it requires clear visibility and secure execution when you supply or withdraw assets.

In EXTRA WALLET, you access on-chain lending through the Earn - Staking extension. This extension integrates Compound, so you can supply assets, simulate transactions before signing, and manage deposits and withdrawals securely. Your private keys always stay isolated and under your control.

What is Compound?

Compound is a decentralized lending protocol deployed across multiple blockchain networks, including Ethereum, Arbitrum, Base, and Optimism. It enables users to supply assets into liquidity pools and earn interest, while borrowers can access liquidity by providing collateral.

The protocol operates through smart contracts, where each supported asset has its own market and liquidity pool. When users supply assets, they receive receipt tokens representing their share. Interest accrues automatically as borrowers pay for access to liquidity, increasing the redeemable value of supplied assets over time.

Interest rates adjust dynamically based on market utilization. When borrowing demand increases, rates rise. When liquidity is abundant, rates fall. Compound is governed by the COMP token, which allows the community to vote on protocol parameters, supported assets, and upgrades.

How It Works in EXTRA WALLET

Earn (Staking) is a separate extension in the Apps section. You activate it when you want to use lending markets. Once enabled, you see available Compound markets and can supply or withdraw assets.

The user flow follows this structure:

• 1.

  1. Open Earn and select an account. Your default wallet/account is preselected. Switch wallets or accounts if needed (non-EVM accounts are disabled).

• 2.

  2. Review available markets. Browse supported tokens and check your wallet balance, supplied balance, and current APY. You can also see if Withdraw is available.

• 3.

  3. Pick a token and amount. Choose the chain first (limited to your added accounts), then select a token and enter the amount to deposit or withdraw.

• 4.

  4. Deposit or withdraw, then confirm. Click Deposit or Withdraw to open the signing modal. You can simulate the transaction, then sign and submit it using your portfolio password.

• 5.

  5. Check the result. After confirmation, your supplied balance updates. Deposits increase it, withdrawals reduce it, and return tokens to your wallet.

EXTRA WALLET does not control Compound or its interest rates. These are set automatically by the protocol based on market conditions. Every deposit or withdrawal needs your explicit approval. Nothing happens without your action.

The wallet provides a secure interface to access Compound. Lending logic and yield generation are fully governed by the protocol.

Real User Cases

The Earn extension lets you put assets to work, manage lending positions, and respond to changing market conditions directly from your wallet.

• 1.

  Supply stablecoins to earn interest. You can supply idle USDC to Compound markets on supported chains like Ethereum or Base, and monitor interest rates directly from your wallet.

• 2.

  Allocate idle ETH into lending markets. If you have more ETH than needed for gas or transactions, you can supply the extra to Compound and earn interest while keeping full control over your assets.

• 3.

  Borrow against your crypto without selling it. You can supply ETH as collateral and borrow stablecoins against it. Use Earn to manage both your supplied assets and borrowed positions in one place.

• 4.

  Compare rates before supplying assets. Before depositing, you can review current market conditions and utilization levels to decide when and where to supply assets for the best returns.

• 5.

  Withdraw funds when needed. You can withdraw supplied assets at any time. This returns them to your wallet so you can reduce exposure, rebalance, or use them elsewhere.

• 6.

  Manage lending as part of your broader portfolio. You can use Earn with other EXTRA WALLET features to track and manage Compound positions as part of your overall crypto portfolio strategy.

Key Takeaways

The Earn extension connects EXTRA WALLET directly to Compound’s decentralized lending infrastructure. You can supply assets and earn interest without transferring custody or relying on intermediaries. All interactions happen through secure smart contracts. EXTRA WALLET provides a clear interface, transaction simulation, and isolated signing so you stay fully in control.

This modular approach keeps the wallet flexible. You can activate Earn when needed and manage lending positions alongside the rest of your portfolio. Interest rates and returns are set by on-chain market dynamics. EXTRA WALLET acts as a secure execution layer, giving you access to DeFi while you keep full ownership and decision authority.

EXTRA WALLET is now in closed beta testing. The architecture is stable, and further improvements will be based on real-world use and feedback. Try the platform, test advanced workflows, and help improve the next standard for secure crypto platforms.