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marginfi Cryptography & Quantum Risk Profile

Risk: high · Confidence: high · Reviewed: 2026-07-19

Verdict

Profile view: marginfi is not quantum-proof. Solana signatures and lending admin/oracle dependencies are classical public-key risk.

Overview

This is the Wave 7e network/profile page for marginfi (app).

marginfi is a Solana lending protocol. Quantum framing matches Solana DeFi: user keys, bank admins, oracles, keepers.

Borrowers and LPs should inventory allowances and admin roles.

Verdict hub: /is-quantum-proof/marginfi. Asset framing: /crypto/mrgn.

Cryptographic profile

What breaks

  • Classical signatures authorizing MRGN value under Shor-class adversaries once public keys are known
  • Custodial hot wallets and exchange operational keys
  • Bridges, issuers, or operator sets outside ordinary user wallets
  • Protocol admin, oracle, or guardian keys

Mitigations

  • Inventory every key that can move MRGN (self-custody, exchange, multisig, protocol roles)
  • Name the host chain and bridge path for every balance
  • Document operator/admin sets for L2s and apps
  • Track ecosystem PQC research; branding is not deployment
  • Use /assessment and claims methodology pages for program framing

FAQ

Isolated banks safer vs quantum?

Risk isolation is classical market design; signatures stay classical.

Related?

Solana, Kamino, Aave (EVM lending contrast).

Key concepts (technical dictionary)

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