How deposits work
The two vaults, and what vault shares represent.
You choose one of two vaults. They are deliberately different:
Safe Vault
Your SOL is held by the program. No exposure to the memecoin, and no fee earnings.
Liquidity Vault
Your SOL is added to the SOL/memecoin pool. You earn real trading fees and take on market and impermanent-loss risk.
In both cases you receive vault shares recorded on-chain. Shares represent your proportion of the vault; they are not a promise of a fixed SOL amount.