Ribbon Finance
Derivatives · Option Vaults · RBN
Ribbon Finance pioneered automated DeFi Option Vaults (DOVs) that run covered-call and put-selling strategies to generate yield. Ribbon has since merged into Aevo; RBN persists as a legacy / transitioning token.
The pioneer of DeFi Option Vaults (DOVs).
Protocol TVL
$3.4M
-1.9% 24h
Latest data · 15 min delay
Risks identified
- Smart Contract
Vault strategies depend on complex smart contracts (vault logic, Opyn oToken minting, auction settlement). Bugs or upgrade flaws could freeze or lose funds; OpenZeppelin's V2 audit flagged a critical instant-withdrawal issue among others.
- Systemic
Covered-call vaults cap upside and remain exposed to sharp downside moves in the underlying (ETH/WBTC). In a rapid market move, deposited collateral can lose value faster than premiums compensate, and options can be assigned against depositors.
- Counterparty
Options are sold to external market makers via auction. Reliance on a limited set of institutional counterparties for bidding and settlement concentrates dependence and can degrade pricing or liquidity in stressed conditions.
- Governance
Concentrated token-holder governance was demonstrated by RGP-33 passing with only 133 RBN holders voting, enabling a full protocol wind-down and token conversion — a small quorum controlling material outcomes for all holders.
- Oracle
Strike selection, settlement pricing, and option valuation rely on external price feeds; manipulated or delayed oracle data could produce mispriced strikes or incorrect settlement.