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Is this Solana Devnet?

No. Vanna runs on a Solana mainnet fork (Surfpool): real mainnet programs and accounts, cloned onto a test node. The RPC hostname contains devnet, but it isn’t public Devnet. The app is at test.solana.vanna.finance.

Do I need to change my wallet’s RPC?

Yes. Add https://rpc-devnet.solana.vanna.finance as a custom RPC so your wallet shows fork balances and previews transactions correctly. See Connect Your Wallet.

Which wallets work?

Use Backpack. Set its RPC to the Vanna fork as shown in Connect Your Wallet.

Are faucet tokens real?

No. The Faucet writes test balances directly into the fork. They have no value on Mainnet.

What can I use as collateral?

SOL, USDC, JitoSOL, JupSOL, JupUSD and the xStocks NVDAx, GOOGLx, AAPLx and TSLAx. Farm receipts (kSOL, kUSDC, USD*, vbSOL…) count too.

What can I borrow?

SOL, USDC and USDT.

What’s the maximum leverage?

Up to 10× on the Margin page’s slider, as long as your health factor stays above the 1.15 safety floor. Perps orders go up to each Phoenix market’s own limit, shown under the market name on the Perps page (for example Max 5× on ETH-PERP).

When can my account be liquidated?

When its health factor (collateral ÷ debt) is 1.10 or below. See Liquidation.

Why doesn’t depositing into a Farm vault lower my health factor?

You swap one asset in your margin account for a receipt of about the same value, and the receipt counts as collateral. See Farm.

Why is a basis vault’s APY low or negative?

Basis vaults earn Phoenix perp funding. When funding turns negative, the vault’s short pays instead of earning. See Delta-Neutral.

How does Predict earn while I wait?

Matched Yes and No shares are merged into USDC and lent in Vanna’s USDC pool; the interest comes back as extra shares of your side. See Earn While You Wait.

Can I withdraw from Earn at any time?

Yes, up to the pool’s available liquidity (what isn’t currently borrowed).

Where are the programs?

The core program is H37YVBG3eGtz89ofd7iDLc2PJgn12778392XeU2QJcGC. See Deployed Contracts.