Depositing
Launching soon. The deposit flow described here will be available when the vault launches on HyperEVM mainnet. The steps below describe the intended UX.
Depositing into the Zirodelta Lending Vault earns you passive yield from Autopilot traders borrowing your supplied assets. The deposit process is a standard ERC-4626 interaction: you supply assets, receive vault shares, and withdraw later for your principal plus accumulated yield.
Prerequisites
Before you can deposit:
Assets on Hyperliquid: You need HYPE, BTC, or ETH in your Hyperliquid spot balance.
HyperEVM network in your wallet: You need to add the HyperEVM network to your wallet (MetaMask or equivalent). The app will prompt you to add it automatically if you have not already.
No Pro subscription required: Vault deposits do not require a Pro subscription.
Deposit flow
Step 1: Navigate to the Vault page
In the Zirodelta app, click Vault in the navigation. The vault page shows current utilization, the live supply APY for each supported asset, and your current deposits.
Step 2: Select an asset and amount
Choose the asset you want to deposit: HYPE, BTC, or ETH. Enter the amount. The interface will show:
Current supply APY at this utilization level
Estimated daily and annual yield at your deposit size
Your resulting share count
Step 3: Approve the vault contract (first deposit only)
On your first deposit of any asset, you need to sign a standard ERC-20 approve transaction authorizing the vault contract to pull your tokens. This is a one-time action per asset.
Step 4: Confirm the deposit
Sign the deposit transaction. The vault contract calls CoreWriter to supply your assets to Hyperliquid's native borrow/lend reserve. The transaction confirms on HyperEVM (2-second blocks). Your vault shares appear immediately in your wallet.
Step 5: Track your position
After depositing, your shares are visible on the Vault page under "Your Position." The displayed value updates as the share price increases from accruing yield. There is nothing more to do. Yield compounds automatically.
Withdrawing
Anytime redemption
The vault allows withdrawals at any time, subject to available liquidity. If the vault has sufficient unlent balance to cover your withdrawal, it processes immediately.
If liquidity is insufficient
When utilization is very high (most assets are borrowed), you may not be able to withdraw the full amount immediately. In this case, you have two options:
Withdraw a partial amount up to the available unlent balance
Wait for Autopilot borrowers to repay their loans (typically happens as positions close)
The app will show available liquidity before you initiate a withdrawal so you know what to expect.
Withdrawal fees
There are no withdrawal fees. You receive your proportional share of the vault's assets: your principal plus all accrued yield since your deposit, minus any vault spread.
Monitoring your position
The Vault page shows:
Your shares: Current share count
Current value: Shares × current share price = your redeemable value
Accrued yield: Difference between current value and your deposit cost basis
Current APY: Real-time supply rate from Hyperliquid's lending reserve
Vault utilization: What percentage of deposited assets are currently borrowed
Understanding share price
When you deposit, the vault mints you shares based on the current share price. If you deposit 1 BTC when the share price is 1.05 BTC per share, you receive 1/1.05 ≈ 0.952 shares.
As the vault earns yield, the share price increases. If you withdraw when the share price is 1.12, you receive 0.952 × 1.12 ≈ 1.067 BTC. Your original 1 BTC plus ~6.7% yield.
This mechanism is automatic and requires no staking, claiming, or compounding action on your part.
See also: Vault Overview · HyperEVM Architecture
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