Risk Overview

Documentation snapshot 18 October 2026. Deployment · Audit Status
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Note Systems is experimental financial software on a new chain, using tokenised securities that carry their own restrictions. Read this section before depositing.

Who Bears What

fact Who Bears What
RiskCOUPON holderSHIELD holderDesk depositorNOTE / sNOTE holder
Market: stock falls below the barrier at maturityLoses 1 − S_T/s0 of principalConditional USDG settlement against delivered stock; coupon and fee costs remainSame as COUPONIndirect via Treasury reserves
Market: stock falls but stays above barrierCash principal at maturity under the stated conditions; may miss coupons and still bears issuer and contract riskUnhedged on the drawdownSame as COUPON-
Oracle: wrong or delayed priceWrong or delayed coupon and settlementSameSameTreasury valuation
Issuer / Stock Token: freeze, restriction, delistingReceives restricted tokens on breachTokens locked in escrowSame as COUPONTreasury holdings
Smart contractTotal loss of escrowed assets in the worst caseSameSameSame
RegulatoryAccess loss, forced unwindSameSameToken price, access
Token design: NOTE trades far below reserve---Loss; floor redemption is capped
Liquidity: no secondary market for legsLocked until settlementLocked until settlementQueuesNOTE cooldown (3 days in spec, 7 days in deploy script, est.)
Governance: malicious or negligent governanceParameter or oracle abuse (bounded by design)SameSameTreasury withdrawal

What the Design Does Protect

  • Funded obligations. The note core escrows assets backing matched obligations before a series goes live. This reduces funding risk but does not remove issuer freezes, transfer restrictions or contract failures. See Escrow invariant.
  • Deterministic settlement. Observations happen only at official closes; a post-close print cannot leak in. See Oracle and MarketCalendar.
  • No core liquidation engine. A price move does not trigger margin calls in the note core. Separate borrowing against wrapped legs can be liquidated.
  • Isolation. One series’ problem cannot draw on another series’ escrow.

What It Does Not Protect

  • The direction of the stock.
  • The solvency and conduct of the Stock Token issuer, the stablecoin issuer, or the oracle operator.
  • Bugs in the protocol contracts. The external audit of the contracts is in progress and its report is not yet published. See Audits.
  • Your legal eligibility to hold Stock Tokens. Stock Tokens are not available to US persons and are restricted in several other jurisdictions. See Regulatory.

Nothing in these documents is investment, legal or tax advice.

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