Mint & Redeem frxUSD Overview
frxUSD can be minted and redeemed through multiple pathways, offering users flexibility in how they access and utilize the stablecoin. This overview covers the main minting and redemption methods available.
frxUSD Minting & Redeeming on Ethereum
The most straightforward way to mint and redeem frxUSD is through direct interaction with the frxUSD Mint & Redeem contracts on Ethereum mainnet.
Supported Assets for Minting
frxUSD can be minted using any of these assets:
- Stablecoins: USDC, USDB
- Tokenized Treasuries: BUIDL (by BlackRock), USTB (by Superstate), WTGXX (by WisdomTree)
How It Works
- Approve your asset for the frxUSD minting contract
- Deposit your asset to mint frxUSD at a 1:1 ratio
- Hold frxUSD to earn Treasury yields automatically via FraxNet (opens in a new tab)
- Redeem anytime by converting frxUSD back to your chosen asset
Get started with the following quickstarts:
- Mint and redeem with USDC
- Mint and redeem with Superstate's USTB
- Mint and redeem with Blackrock's BUIDL
- Mint and redeem with WisdomTree's WTGXX
- Mint and redeem with Bridge.xyz's USDB
Cross-Chain Minting & Redeeming with FraxNet
Overview
If users want to mint and redeem frxUSD on any of the other supported blockchain networks, they can use the FraxNet contract system which leverages FraxZero's cross-chain messaging protocol.
Key Benefits
- Asset Flexibility: Mint frxUSD on any of the supported blockchain networks
- Gas Optimization: Choose the most cost-effective network for your operations
- Unified Experience: Manage cross-chain operations through a single interface
- Institutional Grade: Built on FraxZero's cross-chain messaging protocol
How Cross-Chain Minting Works
Mint frxUSD across 20+ supported blockchain networks with the following steps:
- Contract Deployment: Deploy a FraxNet contract via the factory on Ethereum mainnet for a specific recipient address and destination chain
- Asset Transfer: Transfer USDC directly to your deployed FraxNet contract on Ethereum mainnet
- Cross-Chain Minting: Using the transferred USDC, mint frxUSD to the specified recipient address and destination chain
How Cross-Chain Redemption Works
Redeem frxUSD on 20+ supported blockchain networks with the following steps:
- Cross-Chain Transfer: Send frxUSD on any supported blockchain network back to your FraxNet contract on Ethereum mainnet via a cross-chain transfer
- Asset Conversion: Call
processRedemptionto convert frxUSD back to USDC - Asset Delivery: Receive USDC directly to your specified address on Ethereum mainnet or any supported CCTP chains (opens in a new tab)