Frequently Asked Questions — Resupply

Everything you need to know about Resupply: how lending markets work, how to borrow reUSD, earn rewards with RSUP, and participate in governance.

Getting Started

What is Resupply?

Resupply is a decentralized lending protocol built on Ethereum. It allows users to supply crvUSD and frxUSD as collateral on established Curve Lend and Fraxlend markets, and in return borrow reUSD — the protocol's native stablecoin. Resupply is governed by RSUP token holders who vote on proposals and protocol parameters via on-chain governance.

How do I start using Resupply?

To get started with Resupply: (1) Connect a compatible Web3 wallet such as MetaMask, WalletConnect, or Coinbase Wallet. (2) Acquire crvUSD or frxUSD on Ethereum mainnet. (3) Navigate to the Lending Markets page on Resupply and choose a market that suits your collateral. (4) Deposit your collateral and borrow reUSD. Your position will immediately begin accruing borrowing rewards in RSUP tokens.

Which wallets are supported by Resupply?

Resupply supports all major Ethereum-compatible wallets including MetaMask, WalletConnect (compatible with hundreds of wallets), Coinbase Wallet, Safe (formerly Gnosis Safe), Brave Wallet, and injected browser wallets. The protocol runs on Ethereum mainnet.

Borrowing & Collateral

How does borrowing reUSD work on Resupply?

When you deposit collateral (crvUSD or frxUSD) into a supported Curve Lend or Fraxlend market via Resupply, you can borrow reUSD up to the market's maximum loan-to-value ratio. You pay a borrow cost (expressed as a variable APR), but Resupply partially offsets this with RSUP borrowing reward emissions. The resulting Net vAPR can be positive, meaning you are effectively paid to borrow.

What collateral types does Resupply accept?

Resupply accepts a variety of collateral types through its integrated Curve Lend and Fraxlend markets. Supported collaterals include WETH, WBTC, wstETH, sUSDe, sfrxUSD, sreUSD, scrvUSD, sfrxETH, and more. Each market has its own parameters, TVL caps, and APR structure. New collateral types can be added via Resupply governance.

What is the borrow cost and how is the vAPR calculated?

The borrow cost on Resupply is determined by the underlying Curve Lend or Fraxlend market's interest rate model, typically ranging from around 2–3% variable APR. On top of this cost, Resupply distributes RSUP token rewards to borrowers. The Net vAPR is calculated as: Borrow Rewards − Borrow Cost + Collateral APR. A positive Max Net vAPR means the position generates net yield for the user.

Can I be liquidated on Resupply?

Yes. Liquidation rules are defined by the underlying Curve Lend or Fraxlend market. Curve Lend uses a soft-liquidation (LLAMMA) mechanism that gradually liquidates positions, providing some buffer. Fraxlend uses a traditional liquidation model. Always monitor your health factor and loan-to-value ratio to avoid liquidation. Resupply's interface shows your position health in real time.

Tokens & Rewards

What is reUSD and how does it maintain its peg?

reUSD is the native stablecoin minted by Resupply when users borrow against their collateral. It is soft-pegged to $1.00 USD. The peg is maintained through protocol mechanisms including the Insurance Pool (which backstops bad debt), the Savings reUSD (sreUSD) savings rate that incentivises holding, and liquidity pools on Curve Finance. The combination of over-collateralisation and yield incentives keeps reUSD stable.

What is the RSUP token and how can I earn it?

RSUP is the governance and incentive token of Resupply. You can earn RSUP by: (1) Borrowing reUSD on any supported lending market — borrow reward emissions are paid in RSUP. (2) Supplying collateral — some markets have collateral-side RSUP rewards. (3) Providing liquidity in RSUP/reUSD liquidity pools. (4) Staking in the Insurance Pool. RSUP holders govern Resupply by voting on proposals.

What is Savings reUSD (sreUSD) on Resupply?

sreUSD (Savings reUSD) is a yield-bearing token on Resupply. By depositing reUSD into the Savings reUSD vault, users receive sreUSD which accrues value over time from protocol revenue. sreUSD also acts as collateral in some Resupply lending markets, allowing users to earn the savings rate while simultaneously using their position as collateral to borrow more reUSD.

Protocol & Safety

What is the Resupply Insurance Pool?

The Insurance Pool is a safety mechanism in Resupply where users can deposit reUSD to backstop the protocol against bad debt. In exchange for providing this coverage, Insurance Pool depositors earn a share of protocol revenue plus RSUP rewards. The Insurance Pool is the first line of defence in the Resupply risk hierarchy before other protocol reserves.

How does Resupply governance work?

Resupply is governed by RSUP token holders. Governance decisions — including adding new collateral markets, adjusting protocol parameters, directing protocol revenue, and upgrading contracts — are made through on-chain proposals and voting. Proposals can be discussed on the Resupply governance forum (gov.resupply.fi) before being submitted on-chain. Any RSUP holder can participate in governance.

Is Resupply audited? What are the risks?

Resupply is built on top of audited Curve Lend and Fraxlend smart contracts — both of which have extensive battle-testing and security records in DeFi. The Resupply-specific contracts have undergone security reviews and the code is open-source on GitHub. Risks include smart contract bugs, oracle failures, collateral price crashes, and liquidity risk. As with any DeFi protocol, always do your own research and never risk more than you can afford to lose.

Where can I find Resupply documentation and support?

Full documentation for Resupply is available at docs.resupply.fi. For community support and discussion, join the Resupply Discord at discord.gg/YMg95VHgt5 or follow @Resupplyfi on X. Protocol analytics are available at hippo.army. Blog posts and updates are published on Mirror.