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asset · quantum risk

Is Marinade mSOL (mSOL) Quantum Proof?

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

Verdict

mSOL is not quantum-proof. It is a Solana LST: classical Ed25519 holder keys plus stake pool controls.

Overview

mSOL is Marinade’s liquid staking token. Quantum risk is Solana account crypto and Marinade authorities.

Cross-read Marinade protocol page.

Exposure summary: LST holders and pool program authorities. Signature surfaces: Ed25519 (Solana); Marinade stake pool authorities. Inventory holders, operators, and any bridge/issuer paths before treating mSOL as quantum-ready. Educational only.

Cryptographic profile

What breaks

  • Classical signatures authorizing mSOL 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 mSOL (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

mSOL vs SOL?

mSOL adds protocol/pool risk on top of Solana signature assumptions.

Related?

Marinade, JitoSOL, liquid staking hub.

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