// FAQ
Everything You Need to Know
What is United Stables (U)? +
United Stables (U) is a decentralized stablecoin protocol built on the TRON blockchain. It allows users to mint, swap, and stake the U token — a USD-pegged stablecoin backed by overcollateralized on-chain reserves. The protocol offers staking rewards of up to 18.4% APY and instant swaps with near-zero fees.
How does U maintain its $1.00 peg? +
U maintains its dollar peg through a combination of overcollateralized reserves (120%+ backing), algorithmic stabilization mechanisms, and an arbitrage incentive system. When U trades above $1.00, new tokens can be minted at a discount; when below $1.00, tokens can be redeemed for collateral at a premium — automatically restoring the peg.
What are the staking options and APY rates? +
United Stables offers three staking lock periods: 30 days (8.5% APY), 90 days (12.5% APY), and 365 days (18.4% APY). Rewards are distributed daily and can be auto-compounded. The longer the lock period, the higher the annual yield — rewarding long-term protocol participants.
How are staking rewards funded? +
Staking rewards come from a combination of swap fees collected by the protocol (0.05% per swap), yield generated from deploying reserve collateral into vetted on-chain strategies, and a portion of the protocol's treasury. The reward rate is governance-controlled and voted on by U token holders.
Can I unstake before my lock period ends? +
Early unstaking is possible but subject to an early withdrawal penalty of 5% of the principal for 30-day locks, 8% for 90-day locks, and 12% for 365-day locks. Accrued rewards up to the point of unstaking are forfeited. We recommend staking only what you're comfortable locking for the full period.
What assets can I swap on United Stables? +
United Stables supports swaps between U and USDT, USDC, USDJ, TUSD, and other major TRC-20 stablecoins on TRON. The AMM is optimized specifically for stablecoin pairs, providing extremely low slippage and price impact even on large trades — typically less than 0.01% for standard swap sizes.
What is the swap fee on United Stables? +
United Stables charges a flat 0.05% swap fee on all transactions — one of the lowest in the TRON DeFi ecosystem. On top of that, TRON's near-zero network gas fees mean that swapping on United Stables is significantly cheaper than on Ethereum-based protocols.
Is United Stables non-custodial? +
Yes. United Stables is fully non-custodial. You connect your own TRON wallet (TronLink, WalletConnect, MetaMask, etc.) and interact directly with the smart contracts. The United Stables protocol never holds, controls, or accesses your private keys or funds at any point.
Has the United Stables protocol been audited? +
Yes. The United Stables smart contracts have been audited by four independent security firms: CertiK (Feb 2024), PeckShield (Apr 2024), Hacken (Jun 2024), and SlowMist (Sep 2024). All audits returned passing results. The full audit reports are publicly available on our documentation site.
What collateral backs the U stablecoin? +
U is backed by a diversified basket of on-chain collateral: primarily USDT (60%), USDC (25%), and USDJ (15%). The collateralization ratio is maintained at 120% minimum at all times. All reserves are held in transparent, publicly auditable on-chain vaults on TRON — viewable by anyone.
How do I mint U tokens? +
To mint U, navigate to the "Mint U" tab in the swap widget, connect your wallet, deposit any supported stablecoin (USDT, USDC, etc.), and receive U at a 1:1 rate minus a small minting fee of 0.02%. Minted U tokens can immediately be staked for rewards or used in swaps.
How do I redeem U for other stablecoins? +
Use the "Redeem" tab in the swap widget. Connect your wallet, specify the amount of U you want to redeem, and select the output stablecoin. Redemptions are processed instantly and settled on-chain in the same transaction. A 0.02% redemption fee applies.
What wallets are supported by United Stables? +
United Stables supports TronLink (recommended for TRON native), WalletConnect (mobile wallets), MetaMask (via TRON EVM bridge), and TokenPocket (multi-chain). More wallet integrations are added regularly through governance proposals.
How does auto-compounding work? +
When you enable auto-compounding during staking setup, your daily U rewards are automatically restaked into the same pool at the end of each day. This means your principal grows each day, and the next day's rewards are calculated on the larger principal — accelerating your yield over time.
Is there a minimum staking amount? +
Yes, the minimum staking amount is 100 U tokens (approximately $100 USD). There is no maximum cap on staking. Smaller amounts can still participate via the swap functionality and earn from holding U in liquidity pools.
What governance rights do U token holders have? +
U token holders can vote on: staking APY adjustments, collateral composition and ratios, new pool launches, fee parameter changes, treasury allocations, protocol upgrades, and new feature proposals. Each U token equals one vote. Proposals require a 5% quorum and 60% approval to pass.
What happens if the collateral ratio drops below 120%? +
If the collateralization ratio approaches 120%, the protocol automatically triggers several stabilization mechanisms: minting is temporarily paused, incentivized redemptions are activated to reduce supply, and the DAO treasury can vote to inject additional collateral. The protocol has never fallen below 125% since launch.
Are staking rewards taxable? +
Tax treatment of staking rewards varies by jurisdiction. United Stables does not provide tax advice. We recommend consulting a qualified tax professional in your country. The protocol provides a complete, downloadable transaction history for all staking rewards for your own tax reporting purposes.
How is the United Stables protocol governed? +
United Stables is governed by a decentralized autonomous organization (DAO) of U token holders. The development team does not hold admin keys or override governance decisions. All protocol parameters are on-chain and require community approval to change. Governance discussions happen in the public forum and Discord.
Where can I get support or report a bug? +
For general support, join our Telegram or Discord community. For technical bug reports, use our GitHub issues tracker or, for security vulnerabilities, submit through our $3M bug bounty program on Immunefi. Our team responds to support tickets within 24 hours on business days.