Thesauros

Thesauros is a stablecoin yield protocol on Arbitrum that puts deposits into lending and liquidity venues under preset risk and performance rules and pays through a yield-bearing wrapped stablecoin. DefiLlama measured $51,203 across four chains on 2026-08-16, only 0.05% of the size floor. The protocol is below that floor, so we have not opened an individual review of allocator control, downstream venues, NAV, the wrapper, or stressed exits.

Review triggers: events that reopen the verdict
• TVL sustained above the retired TVL threshold for 30 days

Watched nightly: a warning on its venues or files, or a cited document that changes, reopens the memo. The first confirmation is due 2026-11-15.

The research file

Mechanism applicability

Thesauros accepts supported stablecoins and issues a wrapped stablecoin that earns reported rewards while its contracts allocate funds among Aave, Hyperliquid, Morpho, Curve and other venues. The depositor therefore owns a wrapper that depends on lending markets and AMMs, not a direct claim on one fixed market.

Control and assurance applicability

Protocol rules set risk and performance limits for allocations, but the Thesauros system still selects and changes venues. Two published Hexens reports provide evidence from code reviews, but public materials do not make strategy choices permanent or remove risks from downstream contracts, token depegs, valuation, and governance.

Exit applicability

The site says users may withdraw at any time with no lockup. Redemption still depends on available stablecoin liquidity or successful sales and withdrawals from downstream venues. A yield-bearing wrapper does not guarantee that every venue can return full value at the same time under stress.

Why the dossier still applies

DefiLlama measured $51,203 across Plasma, Base, Arbitrum and Monad on 2026-08-16, 0.05% of the size floor. We do not open the individual review until TVL stays above the size floor for 30 days. We would then reconcile positions and NAV, who can change strategies, venue caps, audits and incidents, wrapper loss rules, and a proposed-size redemption across several venues.

Research status

This is a capacity-unproven record for Thesauros, not a quality rejection or approval. Reported TVL says how big the venue is, not what the client owns, who can change the rules, or how a position exits at a proposed size. The individual review opens when the protocol clears the size floor.

Sources

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

• Thesauros — official product site · primary · accessed 2026-08-16
  Supports: stablecoin deposits, named downstream venues, wrapped yield token, withdrawal claim
• Thesauros — official contracts repository · primary · accessed 2026-08-16
  Supports: contract perimeter, public implementation, audit artifacts
• Hexens — Thesauros review · primary · accessed 2026-08-16
  Supports: security-review scope, October 2025 code record, assurance limitation
• Thesauros — official communications · primary · accessed 2026-08-16
  Supports: current lifecycle, official announcements, multichain product identity
• DefiLlama — Thesauros survey record · secondary · accessed 2026-08-16
  Supports: $51,203 TVL, four-chain perimeter, yield category

Inherited controls

The research above describes the protocol layer. Every position also inherits the asset it holds and the chain it settles on. The layer with the most administrative power sets the position’s effective control; that describes control, not quality or suitability.