Ribbon Finance (RBN)

Data Delay

Overview

Ribbon Finance is a decentralized finance project built around structured products: strategies that combine financial tools to produce a particular pattern of returns. Its best-known products were vaults that sold crypto options automatically. Instead of choosing and selling an option each week, a user could deposit an asset into a vault that followed a set strategy. Ribbon introduced these decentralized options vaults in 2021. (docs.ribbon.finance)

RBN was Ribbon’s governance token. It gave holders a role in decisions about the protocol and later supported rewards tied to vault participation. Ribbon’s history also includes Aevo, a derivatives exchange developed by the same team. A governance proposal set out a plan to bring Ribbon’s products under the Aevo name and let RBN holders convert their tokens to AEVO at a one-to-one rate. That conversion became available in 2024. RBN therefore has both a role in Ribbon’s earlier governance system and a connection to Aevo’s later development. (ribbonfinance.medium.com)

History & Team

From the first vaults to Aevo

Ribbon launched its first Theta Vault on April 12, 2021. Early products included covered-call vaults for ether (ETH) and wrapped bitcoin (WBTC), followed by put-selling strategies. The team later released a second version of the vaults that aimed to automate more of their operation, including the choice of option terms and the process used to sell them. (research.ribbon.finance)

Julian Koh and Ken Chan co-founded Ribbon Finance. Koh previously worked as a software engineer at Coinbase. Ribbon’s announced seed-round backers included Dragonfly Capital, Nascent, Coinbase Ventures, and Scalar Capital. In 2022, the team announced a further $8.75 million funding round led by Paradigm. (research.ribbon.finance)

Aevo expanded the team’s work from automated vaults into an exchange for options and perpetual contracts. In 2023, Ribbon’s governance forum published a proposal to unite the products under the Aevo brand, create AEVO for governance, and wind down the earlier RBN incentive system. The RBN-to-AEVO conversion followed in 2024. These steps make the token transition central to understanding Ribbon’s later history. (gov.ribbon.finance)

Technology & How It Works

Automated option strategies

Ribbon’s Theta Vaults use smart contracts to organize repeated option sales. An option gives its buyer the right to buy or sell an asset at a set price under agreed terms. The seller receives an upfront payment called a premium. Ribbon’s vaults were designed to collect those premiums through strategies that usually renewed each week. (docs.ribbon.finance)

A covered-call vault holds an asset, such as ETH, and sells call options against it. The call’s strike price is the price named in the contract. If the asset rises beyond that level, the strategy gives up some of the gain it would otherwise have kept. A put-selling vault works differently: it sells options linked to a possible fall in an asset’s value. In both cases, the premium is payment for taking the other side of an options trade. (docs.ribbon.finance)

A vault groups deposits, creates options, and offers them for sale through an auction process. Its accounting tracks the collateral and the results as one round ends and another begins. Depositors receive vault-share tokens representing their portion of the pooled assets. Ribbon’s documented vault architecture used Opyn contracts to create tokenized options, often called oTokens. An oToken represents an options position; it is separate from RBN, the governance token. (docs.ribbon.finance)

Ribbon’s second vault version reduced the need for the team to carry out weekly tasks by hand. The project later developed other product types, including strategies that combined lending with options. Aevo added a different technical model: an exchange with an off-chain order book and on-chain settlement on an Ethereum rollup. That exchange infrastructure and Ribbon’s vault contracts serve related but distinct purposes. (research.ribbon.finance)

Tokenomics & Utility

RBN’s original economic model

RBN was created as an Ethereum governance token with a total supply of one billion tokens. Ribbon’s published allocation assigned 49% to the community treasury, 23% to current and future team members, 15% to investors, and 8% to corporate property. The remaining 5% was divided among early airdrop recipients, liquidity-mining participants, and initial market makers. The treasury allocation was intended to support activities such as grants and incentives directed through governance. (docs.ribbon.finance)

Ribbon later introduced veRBN, short for vote-escrowed RBN. A holder obtained veRBN by locking RBN for a chosen period of up to two years. Longer remaining lock times gave more voting weight, which declined as the unlock date approached. Under the earlier system, veRBN also supported voting on how vault rewards were assigned, boosted certain RBN rewards, and gave lockers a share of protocol fees. These were features of Ribbon’s documented token design, rather than functions of an ordinary RBN balance alone. (docs.ribbon.finance)

The Aevo transition changed the direction of that model. Ribbon’s merger proposal called for RBN vault emissions and veRBN revenue-sharing to end while holders gained a route to AEVO at a one-to-one conversion rate. AEVO was designed for governance across a broader group of products, including the exchange and structured products. The distinction matters: descriptions of RBN rewards and veRBN fee sharing explain Ribbon’s earlier system, while AEVO belongs to the later governance structure. (gov.ribbon.finance)

Ecosystem & Use Cases

Ribbon’s main use case was giving depositors access to an options strategy through a vault. Someone holding ETH, for example, could place it in a covered-call vault rather than arrange each weekly option sale separately. A depositor interested in a put-selling strategy could use a vault built for that approach. The products turned several steps—choosing terms, selling options, and accounting for each round—into a more unified process. (docs.ribbon.finance)

Ribbon also developed Ribbon Treasury, a set of private Theta Vaults for decentralized autonomous organizations, or DAOs. A DAO could use a vault to sell covered calls on its own token. Its strategy could have terms tailored to its needs, such as the option’s length, strike-selection method, and currency used for premiums. Ribbon identified Perpetual Protocol as an early Treasury partner. (docs.ribbon.finance)

Other parts of Ribbon’s product history show how the team explored lending and different ways to use options. Ribbon Earn combined a base strategy with option purchases, while Ribbon Lend was designed around loans to selected institutional market makers. Aevo brought exchange trading into the wider product story. Together, these products show Ribbon’s move from individual automated vaults toward a broader derivatives ecosystem. (research.ribbon.finance)

Advantages & Challenges

Ribbon’s clearest contribution was making a complex, repeated options strategy easier to access. Vault contracts handled the cycle of deposits, option creation, sales, and accounting. Published strategy rules and governance gave participants a way to understand and influence parts of that process. The project also commissioned audits of different vault versions, including reviews by OpenZeppelin and ChainSafe for Theta Vault V2. (docs.ribbon.finance)

The trade-offs come from the strategies themselves. A covered call collects a premium but limits some gains if the underlying asset rises past the strike price. Put selling produces a different result when the underlying asset falls. Weekly returns depend on option terms and market conditions, so a vault’s outcome cannot be understood from its premium alone. These features make strike prices, collateral, and settlement important parts of the product. (docs.ribbon.finance)

The shift to Aevo adds an organizational challenge: Ribbon’s original token, governance system, and product names span different stages of the project. Understanding an RBN holding requires separating the earlier Ribbonomics design from the later AEVO conversion and governance plan. (gov.ribbon.finance)

Where to Buy & Wallets

RBN is available on Uniswap V3 on Ethereum through an RBN/WETH pair. MetaMask can hold RBN as an Ethereum token; its contract address is 0x6123B0049F904d730dB3c36a31167D9d4121fA6B. The same address appears in Ribbon’s original RBN announcement and protocol documentation. An Ethereum wallet holding RBN can also connect to compatible Ethereum applications. (coingecko.com)

RBN and AEVO are separate tokens. Ribbon’s governance plan provided for holders to convert RBN to AEVO at a one-to-one rate, and the conversion became available in 2024. A wallet display may therefore show RBN as an earlier token even though the project’s later governance direction centers on AEVO. (gov.ribbon.finance)

Regulatory & Compliance

Ribbon’s products sit at the meeting point of crypto assets, lending, and derivatives. In the United States, the Commodity Futures Trading Commission oversees many forms of derivatives activity, including options and the firms that arrange or facilitate covered transactions. A token transfer, a vault deposit, and an options transaction can raise different legal questions because each involves a different activity. (cftc.gov)

In the European Union, the Markets in Crypto-Assets framework covers specified crypto assets and services. Derivative contracts that qualify as financial instruments instead fall under existing financial-services rules, including MiFID II. For a project with both a governance token and options-based products, the legal treatment of the token and the treatment of a derivatives service are therefore separate questions. (esma.europa.eu)

Under the International Islamic Fiqh Academy’s ruling on conventional financial-market options, Ribbon’s option-selling vault strategies do not align with Shariah principles. The Academy considers the sale of such option contracts impermissible because the right being sold does not meet its requirements for a permissible subject of sale. That assessment concerns the option-based activities at the center of Ribbon’s vault design. (iifa-aifi.org)

Future Outlook

Ribbon’s lasting role may be its model for turning repeated options trades into vault-based products. The project helped establish a way to package an on-chain strategy so that users could participate without carrying out every trade themselves. Its governance and reward systems also show how a protocol attempted to connect token holders with decisions about product development. (docs.ribbon.finance)

The Aevo transition placed that work within a wider derivatives platform. The proposal linked structured products with exchange-traded options, perpetual contracts, and an Ethereum rollup under one governance direction. Future development of those products belongs to the Aevo ecosystem, while Ribbon remains an important part of its origin story. (gov.ribbon.finance)

Summary

Ribbon Finance brought automated options vaults into decentralized finance and used RBN to involve holders in governance. Its vaults made strategies such as covered calls and put selling available through smart contracts, while later products expanded into DAO treasuries and lending. The move toward Aevo and the RBN-to-AEVO conversion mark the project’s next stage: Ribbon’s original tools and token model are best understood alongside the broader derivatives ecosystem that followed. (docs.ribbon.finance)