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Porto allows you to connect your vault wallets to decentralized applications (DApps) like DEXes, lending protocols, and other blockchain services. You can then use your assets for trading, staking, lending, and other operations while maintaining the security of your vaults.

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What is a DApp

A DApp (decentralized application) is an application running on a blockchain that you can interact with using your crypto wallet. Examples include:
  • DEX (Decentralized Exchange) — Uniswap, Curve, SushiSwap
  • Lending protocols — Aave, Compound, dYdX
  • Staking services — Lido, Frax, Curve staking
  • Bridges — Cross-chain bridges for moving assets between blockchains
  • NFT marketplaces — OpenSea, Blur, other NFT platforms

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Connect Porto to a DApp

1

Find the DApp

Open the DApp website or app in your browser on your mobile device.
2

Select connect wallet

Most DApps have a “Connect wallet” or “Select wallet” button. Tap it.
3

Choose WalletConnect or mobile wallet option

Select the option for connecting a mobile wallet. Common options include:
  • WalletConnect — Scan a QR code to connect securely
  • Mobile wallet — Direct connection if Porto is installed
  • Metamask — If the DApp supports Metamask-like wallets
4

Approve the connection

Porto will prompt you to approve connecting to the DApp. Review the DApp’s request carefully.
5

Authenticate with biometric

Complete Face ID or Touch ID to authorize the wallet connection.
6

Start using the DApp

Once connected, your wallet address will appear in the DApp. You can now execute transactions.

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Approving transactions

When you execute a transaction on a DApp (like trading or staking):
1

Review the transaction

The DApp will show you:
  • Assets you’re sending
  • Assets you’re receiving
  • Gas fees or network costs
  • Any other transaction details
2

Approve in Porto

Porto will prompt you to approve the transaction. Review the details carefully — you cannot undo transactions once they’re on-chain.
3

Confirm with biometric

Complete Face ID or Touch ID to authorize the transaction.
4

Transaction processing

The DApp will submit your transaction to the blockchain. You’ll see a status indicator while the transaction is processing.
5

Monitor completion

Use the Activity log to track the transaction status and see when it confirms on-chain.
Smart contracts and DApps carry risks. A malicious or buggy smart contract could:
  • Drain your wallet unexpectedly
  • Execute trades with poor prices
  • Lock your assets or make them inaccessible
Only use DApps you trust, and start with small amounts if you’re unfamiliar with a service.

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DApp permissions and security

When you connect Porto to a DApp, you’re granting it certain permissions: Each time you interact with a DApp, you’ll be asked to approve that specific action. Porto never gives blanket access — you approve each transaction individually.

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Disconnect from a DApp

If you want to revoke a DApp’s access:
1

Open the DApp settings

Most DApps have a Settings or Account menu.
2

Find wallet connections

Look for Connected wallets, Wallet permissions, or Connected accounts.
3

Disconnect Porto

Select your Porto wallet and tap Disconnect or Revoke access.
4

Confirm disconnection

The DApp will no longer be able to initiate transactions from your wallet.

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Best practices for DApp safety

  • Start small — Test a DApp with a small amount first
  • Use testnet — Many DApps have test versions where you can practice without real money
  • Research the DApp — Check reviews, audit reports, and community feedback before using
  • Understand the contract — Read the DApp’s documentation to understand what the smart contract does
  • Keep your password safe — Your Porto password is your master key — never share it, even with DApps
  • Monitor your balance — Regularly check your wallet balance to spot unauthorized activity
  • Use trusted destinations — For frequently used DApps, you can set up trusted addresses to speed up transactions

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For advanced users

See Smart contracts for details on interacting with complex smart contracts and understanding contract interactions at a deeper level.