Prime Vault
Institutional-grade security with sustainable yield
Prime Vault is built for institutions that require maximum security, predictable yield, and operational simplicity. By collaborating with leading custodians and listed companies, Prime Vault ensures assets remain under regulated custody while still accessing River’s stablecoin yield system.
What Prime Vault Solves
Eliminates forced liquidations from market volatility
Ensures institutional security for asset management
Reduces operational overhead for institutional workflows
Key Features
Institutional-grade Security
Partnering with leading custodians to deliver maximum protection for institutions, while seamlessly integrating stablecoin products with predictable yield solutions.
No Liquidation Risk
Smart Position Management automatically mints and stakes stablecoin during deposits and withdrawals, eliminating liquidation risks for all locked assets.
No Smart Contract Risk
The underlying assets are ultimately secured in custodial wallets rather than complex smart contract protocols, eliminating risks of hacking or code errors
How Prime Vault Works
Deposit BTC (or other supported assets) into Prime Vault
Custodian locks assets in secured institutional wallets
Protocol mints satUSD internally against collateral value
satUSD stakes into staking pools to earn rewards
At maturity, users withdraw principle plus accumulated yield
Note: Users do not hold any debt; satUSD never enters user wallets.

Architecture & Parameters
Custodian Integration: assets remain with leading custodians and listed company partners.
Internal satUSD system: used only for staking/revenue sharing; not released to users.
Smart Position Management: auto-adjusts internal mint/stake during flows and volatility.
Governance parameters: $RIVER holdes set asset-level staking factors (0–100%) for risk/return balance.
Periodic rebalancing: price-oracle driven rebalancing keeps yield running without touching principal safety.
Example (Illustrative)
Deposit: 10 BTC
Flow: custody lock → internal satUSD mint → staking pool → yield accrual
Stress (BTC -50%): CDP may liquidate; Prime Vault keeps principal in custody and auto-rebalances internal satUSD positions.
User holds debt?
Yes
✅ No
Liquidation risk?
Yes
✅ None
Smart contract risk
Yes
✅ None
Yield source
External protocols
satUSD staking pool + custodian-side strategies
User experience
Manage debt, repay, face liquidation
one-click deposit, only yield
Asset safety
Can be liquidated
Principal in custody
User management
Active monitoring required
✅ Auto-managed vault
Market stress response
Liquidations
No Liquidation
Auto-rebalancing
Withdrawals
Funds are locked for the Vault’s earning period
at maturity, a single settlement returns principal and accrued yield.
Risk Management
Custodian coverage: Assets remain with leading custodians and listed company partners under full compliance and insurance
Automated rebalancing: Adjusts exposure during volatility
Governance oversight: $RIVER holders calibrate parameters for safe, scalable growth
Why This Matters
For Institutions
Direct access to yield without smart contract or liquidation risks, while assets remain under custody.
For River
Increases demand for satUSD and deepens River’s position as the chain-abstraction stablecoin system for institutional users.
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