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Backpack Solana Wallet

Multi-chain wallet with xNFT support and full compatibility with SwapKing.

What is Backpack?

Backpack is a non-custodial Solana wallet created by Coral, the team behind the Anchor framework and the xNFT standard. It was originally designed for Solana and has expanded to support Ethereum, Polygon, and other chains. Backpack is known for its clean interface, integrated Solana NFT marketplace, and the xNFT system: executable NFT applications that run inside the Solana wallet.

Like Phantom and Solflare, Backpack stores your Solana keys locally. Every Solana transaction is signed on your device, and SwapKing never has access to your SPL funds. Backpack follows the Solana Wallet Standard, which means it works with any Solana dApp that supports the standard, including SwapKing. See Security.

How to install Backpack

  1. Go to backpack.app.
  2. Click Download and choose your platform.
  3. Install the extension or mobile app.
  4. Open Backpack and click Create New Wallet.
  5. Save your Solana recovery phrase offline.
  6. Set a strong password.

How to connect Backpack to SwapKing

  1. Open SwapKing with Backpack installed.
  2. Click Connect Wallet.
  3. Choose Backpack from the Solana wallet list.
  4. Approve the connection in the Backpack popup.
  5. Your Solana address appears in the header. Start swapping Solana tokens.

Backpack features

Multi-chain support - manage Solana, Ethereum, Polygon, and more from one wallet.
xNFT apps - run Solana decentralized applications directly inside the wallet.
Integrated Solana NFT marketplace - buy and sell Solana NFTs without leaving the wallet.
Ledger support - hardware wallet integration for Solana cold storage.
Clean UX - one of the most polished interfaces in the Solana ecosystem.

Solana security best practices

Never share your Solana recovery phrase. Store it offline. Verify every Solana transaction before signing. Use a hardware wallet for large Solana balances. Backpack is non-custodial, so you alone are responsible for protecting your Solana keys. See Security.

Frequently Asked Questions

Is Backpack free?

Yes. Backpack is free to install and use. Only Solana network fees apply when transacting.

Is Backpack safe?

Backpack is non-custodial and built by Coral, a well-known Solana team. Security depends on how you protect your Solana recovery phrase.

Does Backpack support Solana?

Yes. Backpack originally launched on Solana and has the deepest feature support for Solana SPL tokens.

What are xNFTs?

xNFTs are executable NFT applications that run inside the Backpack wallet. They were created by Coral as a new standard for Solana dApps.

Does SwapKing work with Backpack?

Yes. Backpack follows the Solana Wallet Standard, so it works with SwapKing automatically.

Can I use Backpack on mobile?

Yes. Backpack has iOS and Android apps in addition to the browser extension.