Reservoir rUSD (rUSD) is a decentralized stablecoin pegged to the United States dollar. It is the native stablecoin of the Reservoir protocol, an ecosystem designed to support decentralized finance (DeFi) applications through a multi-collateral backing mechanism that includes both digital and real-world assets. ^{[1] [2]}

Overview

Reservoir rUSD is an ERC-20 token that operates primarily on the Ethereum blockchain, with design considerations for cross-chain compatibility. The project's stated goal is to create a scalable, efficient, and yield-bearing stablecoin to facilitate the onboarding and cross-collateralization of a large volume of assets into the DeFi space. The stablecoin is backed by a diversified balance sheet of assets, which the protocol claims are of higher quality and less volatile than those used by comparable stablecoin protocols. This backing includes a combination of established digital assets and tokenized Real World Assets (RWAs). ^{[3] [1]}

The protocol aims to provide consistent yields for its users in various market conditions by generating returns from its underlying asset portfolio. As of October 18, 2025, the Reservoir protocol reported a Total Value Locked (TVL) of $526 million. Market data from October 20, 2025, indicated a circulating supply of approximately 81.99 million rUSD and a total market capitalization of nearly $81.9 million, ranking it #566 among cryptocurrencies. The protocol and its stablecoin are available to non-U.S. users and individuals in countries not under sanctions. ^{[4] [2]}

History

On September 29, 2025, the Reservoir protocol announced a strategic integration with World Liberty Financial. This partnership enabled the native minting and redemption of rUSD using World Liberty Financial's USD1 stablecoin. The collaboration, promoted with the portmanteau "LibertyVoir," positioned Reservoir as one of the first stablecoin protocols to offer this functionality for USD1 holders. The integration allows users to perform 1:1 swaps between rUSD and USD1 without slippage directly within the Reservoir application across multiple blockchains. ^[5]

In an official statement regarding the partnership, the Reservoir team announced:

"We are thrilled to announce an integration with @worldlibertyfi to offer users native minting and redeeming of rUSD with USD1." ^[5]

Technology

The Reservoir protocol is built on a modular architecture composed of several key smart contract components that manage its operations and maintain the stability of rUSD. ^[3]

Protocol Architecture

The core of the Reservoir protocol consists of several interconnected modules:

• Credit Enforcer: This module manages the rules and enforcement of credit, borrowing, and collateralization within the ecosystem.
• Peg Stability Module (PSM): A central component designed specifically to maintain the 1:1 peg of rUSD to the US dollar through efficient arbitrage and liquidity management.
• Term Issuer: This module handles the creation, management, and redemption of trUSD, the protocol's term-based yield product.
• Savings Module: This component manages the protocol's liquid yield products, srUSD and wsrUSD, and oversees the distribution of savings yield to holders.
• Asset Adapters: These are specialized smart contracts that allow the protocol to integrate and manage a diverse range of collateral types, including various digital assets and RWAs.

These modules work in concert to support the protocol's functions, from stablecoin issuance to yield generation. ^[3]

Stability Mechanism

Reservoir rUSD employs a hybrid model to maintain its peg to the US dollar. The primary mechanism is the Peg Stability Module (PSM), which facilitates 1:1 swaps between rUSD and other approved, established stablecoins. Users can mint new rUSD by depositing collateral such as USDC, USDT, and USD1, and can redeem rUSD for these assets at a 1:1 ratio at any time. This direct arbitrage opportunity is designed to keep the market price of rUSD closely aligned with one dollar. ^{[1] [5]}

In addition to the PSM, the protocol is described as using an algorithmic, elastic supply model. This system automatically expands or contracts the circulating supply of rUSD in response to market demand, working alongside the reserve assets to provide stability during periods of market volatility. The entire system is managed by smart contracts to ensure transparent and secure operations. ^[2]

Technical Infrastructure

rUSD is an ERC-20 token built on a blockchain infrastructure designed for security, scalability, and interoperability. While its primary network is Ethereum, the protocol is designed for cross-chain compatibility to foster wider adoption across different blockchain ecosystems. The system utilizes an efficient consensus mechanism to ensure fast transaction confirmations. ^[2]

Tokenomics

The Reservoir ecosystem includes several tokens that serve different functions, from stability and savings to governance.

rUSD

rUSD is the central stablecoin of the protocol, designed for use as a medium of exchange, a store of value, and collateral within DeFi. It can be minted, redeemed, and borrowed through the Reservoir protocol. ^[1]

Associated Tokens

The protocol offers several derivative tokens that provide yield-bearing opportunities for rUSD holders:

• srUSD (Savings rUSD): A liquid, yield-bearing token that represents rUSD deposited into the protocol's savings module. As of October 18, 2025, the APY for srUSD was reported at 7.75%.
• wsrUSD (Wrapped Savings rUSD): A wrapped version of srUSD, designed to enhance its compatibility with other DeFi protocols and platforms.
• trUSD (Term rUSD): A term-based yielding asset that allows users to lock their rUSD for a fixed period in exchange for a specified yield.

These tokens allow users to earn passive income on their stablecoin holdings directly within the Reservoir ecosystem. ^{[4] [3]}

DAM Token

The Reservoir protocol is associated with the DAM token, which is suggested to function as a governance or utility token. The protocol's documentation mentions a "DAM Airdrop," indicating a distribution method aimed at fostering community engagement and decentralization. ^[3]

Initial Distribution

The launch of Reservoir rUSD included a strategic token distribution plan intended to promote community growth, ensure fair access, and establish liquidity. The allocation was as follows:

• Community Airdrops & Early Adopters: 30%
• Ecosystem Growth Fund: 25%
• Liquidity Mining Programs: 20%
• Development Team: 15% (subject to a 3-year vesting schedule)
• Stability Reserve: 10%

This distribution model was designed to decentralize control and incentivize participation from various ecosystem stakeholders. ^[2]

Ecosystem and Use Cases

Reservoir rUSD is designed to be a foundational component of the broader DeFi landscape, with several primary use cases. The protocol features permissionless lending markets where rUSD can be supplied or borrowed. ^[3]

Its primary functions include:

• Stable Medium of Exchange: Used by traders and investors to hedge against the price volatility of other cryptocurrencies.
• DeFi Collateral: Serves as collateral for borrowing and lending activities on various DeFi protocols.
• Yield Farming and Staking: Holders can use rUSD in liquidity pools for yield farming or stake it in designated pools to earn rewards. Staking periods are reported to range from 30 days to one year, with longer commitments offering higher APYs.
• Store of Value: Aims to preserve purchasing power by maintaining its peg to the US dollar.
• Payments: Functions as a payment solution for e-commerce and cross-border transactions due to its stable value and fast settlement times.

Users can also participate in liquidity mining by providing rUSD liquidity on decentralized exchanges (DEXs) to earn rewards and improve the token's market efficiency. ^[2]

Governance

The Reservoir protocol operates under a community-driven, decentralized governance model. Holders of its native token are empowered to participate in key decisions that affect the protocol's future. This includes voting on proposals related to protocol upgrades, adjustments to system parameters like collateral types or fees, and the allocation of funds from the ecosystem treasury. Community members can submit improvement proposals, allowing the protocol to evolve based on the consensus of its users. ^[2]

Partnerships

World Liberty Financial

In September 2025, Reservoir announced an integration with World Liberty Financial to incorporate the USD1 stablecoin as a native collateral asset. This partnership allows holders of USD1 to mint and redeem rUSD on a 1:1 basis directly through the Reservoir application. The feature is supported across multiple chains and is designed to be executed without slippage, enhancing the liquidity and accessibility of rUSD. ^[5]

Security and Transparency

The Reservoir protocol emphasizes transparency and security through several features. The official documentation includes a dedicated section for "Proof of Reserves," indicating a mechanism for users to verify the assets backing the rUSD supply on-chain. The project also states that its smart contracts have undergone security audits by third-party firms to identify and mitigate potential vulnerabilities. Official smart contract addresses are made publicly available in the project's documentation to promote transparency. ^[1]