Saturn

Rejected venues wait the longest for re-review; a rejection has to earn another look before the scheduled date.

Saturn tracks two materially different products presently surveyed on Ethereum: USDat, described as backed by tokenized Treasuries, and sUSDat, whose launch reserve is disclosed as 100% Strategy’s publicly traded STRC perpetual preferred stock. DefiLlama recorded about $173.1M on 2026-08-14, so the inherited size basis was false. STRC has public issuer filings and is not accurately classed as an opaque private-credit book. The aggregate remains rejected individually because it bundles Treasury cash management with concentrated preferred-equity risk and does not yet publish enough wrapper-level custody, valuation, redemption and loss-allocation detail for advisory underwriting.

Kill criteria: the events that revoke this verdict
• USDat and sUSDat are surveyed separately with product-level TVL, liquidity, live-chain contracts and independent exposure limits
• Every admin, compliance and processor wallet, signer threshold, upgrade path, custodian, administrator and valuation feed is reconciled to controlling documents and live contracts
• Daily reserves and liabilities reconcile for 12 consecutive months with no unexplained deficit, stale valuation or missed processed redemption
• Proposed-size USDat and sUSDat exits each pass written time, fee and slippage limits during a stressed STRC-liquidity test

The research file

Mechanism

Saturn describes USDat as a stable token supported by tokenized Treasury assets. Staking it produces sUSDat, a separate yield exposure whose launch reserve is 100% STRC. STRC is Strategy Inc. variable-rate perpetual preferred equity: it is junior to debt, has no maturity, and pays dividends only when declared by the board.

Control, custody and operating evidence

Saturn now names more of the control chain than the earlier draft reflected. Its documentation says STRC is held through a BVI professional fund, Clear Street provides custody and Securitize administers the fund. It publishes core contracts, price feeds and Fireblocks-managed operational wallets using a 2-of-3 policy. Saturn also says Accountable reserve data and a Chainlink NAV feed support sUSDat verification. Those disclosures identify counterparties and addresses, but they do not publish the controlling custody and administration agreements, wallet signers, upgrade delays, processor limits, valuation exception policy or a holder-enforceable loss waterfall. Strategy retains control over STRC dividends, while Saturn operators control wrapper processing.

Exit consequences and disclosure gap

USDat and sUSDat have different exits. An onboarded USDat holder unwraps through the M0 Swap Facility and then swaps Wrapped M for USDC through a specified Uniswap V3 pool; a non-onboarded holder relies on secondary liquidity. An sUSDat holder enters a three-stage queue, receives an NFT, and waits while Saturn’s processor sells STRC for USDat. The execution is checked against an oracle and a user minimum, but timing and realizable value depend on STRC market depth. STRC can trade below liquidation preference, dividends are board-declared and the security is perpetual. A secondary sUSDat sale is faster but adds discount and venue-depth risk. No cited record demonstrates a proposed-size queue exit during a stressed STRC market.

Incident and assurance record

Saturn publishes an audit page, reserve dashboard and contract-address inventory, but the public materials reviewed do not provide a consolidated incident ledger or a long reconciliation and redemption history. No confirmed wrapper exploit, unexplained reserve deficit or failed processed redemption was identified in those materials. That bounded negative finding is not proof of absence. The product is new, several audit files are listed without an audit-to-live-bytecode map in this memo, and planned third-party verification does not substitute for observed performance through a dividend deferral, STRC discount or mass unstaking event.

Comparison and individual decision

USDat should be compared with a named tokenized-Treasury or cash-management instrument whose legal claim, reserve assets and redemption path are independently approved. sUSDat should be compared with direct STRC or another preferred-equity exposure, because its yield and loss path come from selling and valuing STRC rather than Treasury bills. Holding STRC directly avoids the wrapper and queue but retains issuer, dividend and market-price risk; holding USDat avoids the concentrated preferred-equity reserve but earns a different return. Neither comparison supports merging the two receipts into one protocol approval.

Why the individual verdict is rejected

Neither the below-materiality nor off-chain-credit class accurately describes the current evidence. The decisive issue is product aggregation plus incomplete wrapper diligence around a concentrated preferred-equity reserve. Review reopens only after USDat and sUSDat are surveyed separately, every live chain and contract is pinned, privileged roles and custody agreements are reconciled, and proposed-size exits pass written limits through a stressed operating record.

Sources

The claims above trace to these. Where a number could not be independently verified, the thesis says so.

• Saturn Docs — USDat and sUSDat reserve design · primary · accessed 2026-08-14
  Supports: dual-token design, tokenized-Treasury description, sUSDat reserve, 100% STRC at launch
• Saturn Docs — custody of digital credit · primary · accessed 2026-08-14
  Supports: BVI professional fund, Clear Street custody, Securitize administration
• Saturn Docs — transparency and audits · primary · accessed 2026-08-14
  Supports: onchain USDat reserves, Accountable verification, Chainlink NAV feed, audit inventory
• Saturn Docs — USDat mint and redemption · primary · accessed 2026-08-14
  Supports: whitelist, M0 Swap Facility, Wrapped M, Uniswap exit
• Saturn Docs — sUSDat staking and unstaking · primary · accessed 2026-08-14
  Supports: withdrawal NFT, processor STRC sale, oracle validation, secondary liquidity
• Saturn — protocol reserve dashboard · primary · accessed 2026-08-14
  Supports: reserve disclosure, STRC position, protocol transparency surface
• Strategy SEC filing — STRC terms and June 2026 dividend · primary · accessed 2026-08-14
  Supports: perpetual preferred equity, variable dividend, board declaration, issuer terms
• DefiLlama — Saturn survey record · secondary · accessed 2026-08-14
  Supports: survey TVL, Ethereum deployment, stablecoin-wrapper category

Inherited controls

The verdict above grades the protocol layer. Every position also inherits the asset it holds and the chain it settles on. The least safe layer sets the position’s grade, and the position table names which one that is.