MPCVault Card
by Third National
The MPCVault Card is a corporate virtual Visa funded by USDC collateral in a non-custodial MPCVault wallet. KYB is $10, each virtual card is $1, and deposits are 3 USDC + 0.5%. Apple Pay, Google Pay, and AliPay are listed. Liquidation can apply if collateral market value falls below outstanding charges. Virtual only. US users are blocked.
Unique Features
- Collateral remains in user's on-chain wallet (Smart Contract Pledge)
- Dynamic spending limit based on real-time collateral value
- Integration with MPCVault's corporate treasury workflow
Pros
- Non-custodial: Collateral stays in your MPC wallet until liquidation
- Corporate Controls: Custom limits, multiple cards, team management
- Multi-chain: Supports USDC on Ethereum, Polygon, and Solana
- High Acceptance: Works everywhere Visa is accepted (online/offline via mobile wallet)
- Security: MPC multi-sig protection
Cons
- Deposit fee 3 USDC + 0.5% and international transactions up to 3%
- Virtual only — ATM cash disbursement MCCs are blocked
- Not available to US users
- USDC collateral only (Ethereum, Polygon, Solana)
- Liquidation if collateral market value falls below charges
Integrations & Tech
Available In (1)
Not Available In (11)
Fee Structure
Detailed Fee Structure
Detailed Limits
Dynamic based on USDC collateral value (1:1 ratio)
Fee Details
Issuer docs: KYB $10. Virtual card issuance $1 per card (also listed as 1 USDC). Crypto deposit 3 USDC + 0.5%. International transactions up to 3% (USD with US merchants: 0%). Transaction disputes $35. ATM cash disbursement MCC 6011 is blocked.
Limits & Conditions
Spending limit is the USD market value of posted USDC collateral (Ethereum, Polygon, or Solana). No card-count cap. ATM not supported (virtual only; cash-disbursement MCCs blocked).
Crypto Capabilities
Security & Custody
Supported Assets
