How Does Hylo LSTs Work?
Hylo LSTs is a Solana DeFi protocol offering two products: hyUSD, a stablecoin backed by Solana liquid staking tokens, and xSOL, which provides up to 4x leveraged SOL exposure without liquidation risk. The protocol is notable for operating without external price oracles, instead relying on on-chain LST redemption rates. With $19M in TVL and launched in June 2025, it features innovative but untested mechanics.
TVL
$17M
Sector
Liquid Staking
Risk Grade
B-
Value Grade
D
Core Mechanisms
6.1.1
hyUSD over-collateralized stablecoin backed by a basket of Solana LSTs (mSOL, jitoSOL, bSOL, JupSOL) at 164%+ collateral ratio
Over-collateralized stablecoin backed by yield-bearing LSTs rather than raw ETH/SOL. Collateral earns staking yield, improving capital efficiency.
4.1.4
NovelOracle-free pricing for hyUSD/xSOL using on-chain LST redemption values rather than external price feeds, eliminating oracle dependency
Major novelty signal: removing oracle dependency entirely is unusual for a stablecoin protocol. Pricing relies on on-chain LST exchange rates.
3.4.2
Accepts multiple reward-bearing LSTs as collateral — mSOL, jitoSOL, bSOL, JupSOL — pooled into a diversified backing basket
Multi-LST collateral provides diversification across staking providers. Each LST has its own risk profile and exchange rate mechanics.
1.4.1
NovelxSOL token provides up to 4x leveraged SOL exposure without liquidation risk or funding rates through an elastic supply mechanism tied to collateral pool
Zero-liquidation leverage is a significant novelty. The system absorbs SOL price volatility through the xSOL/hyUSD split rather than liquidating positions.
2.2.4
Staking yield from LST collateral split between hyUSD stability (sHYUSD upgrade for enhanced yield) and xSOL leveraged returns
Revenue split between stability seekers and leverage seekers. sHYUSD holders earn enhanced yields by forgoing some stability guarantees.
2.1.2
Percentage-based fees on minting and redemption of hyUSD and xSOL tokens
Standard fee model for stablecoin protocol operations.
How the Pieces Interact
Without external oracle validation, the system relies entirely on on-chain LST redemption rates. If an individual LST depegs from its underlying SOL due to a smart contract issue, the system may not immediately reflect the true market value, potentially allowing arbitrage at the expense of other participants.
In a severe SOL price decline, xSOL absorbs amplified losses, compressing the collateral ratio backing hyUSD. If xSOL value approaches zero, the remaining collateral may be insufficient to fully back hyUSD, creating implicit depeg risk for the stablecoin even without liquidations.
Concentration risk if one LST provider dominates the collateral basket. A failure or depeg of the dominant LST would disproportionately impact hyUSD backing despite diversification intent.
Yield allocation between hyUSD and xSOL holders must balance stability and leverage returns. If yields skew too far toward xSOL, hyUSD becomes unattractive; if yields skew toward hyUSD, xSOL loses its leverage appeal.
Without oracle-based liquidation triggers, the system must rely on internal mechanics to manage leverage risk. In extreme volatility, the oracle-free design may lag in reflecting true market conditions for leveraged positions.
What Could Go Wrong
- Novel dual-token system (hyUSD + xSOL) with zero-liquidation leverage is untested at scale; oracle-free design eliminates one risk but introduces novel pricing mechanics that lack extensive battle-testing
- hyUSD is backed entirely by SOL LSTs, creating strong correlation risk — a decline in SOL price directly impacts the collateral ratio even though the stablecoin targets a USD peg
- Protocol launched publicly in June 2025 with under 1 year of track record, limiting confidence in edge-case behavior during extreme market conditions
- xSOL leveraged exposure up to 4x means the system absorbs significant volatility; in a sustained SOL downturn, xSOL holders bear amplified losses while hyUSD collateral ratio compresses
SOL Price Crash Exhausting xSOL Buffer
ModerateTrigger: SOL price declines 60%+ in a short period, compressing xSOL value to near-zero and threatening hyUSD collateral ratio
- 1.SOL price drops 60%+ in a rapid market downturn — xSOL absorbs amplified losses at up to 4x leverage, its value approaches zero
- 2.With xSOL near zero, the collateral ratio for hyUSD drops toward 100% or below — hyUSD holders face depeg risk as backing becomes insufficient for full redemption
- 3.hyUSD holders rush to redeem for underlying LSTs before collateral is depleted — Redemption queue creates exit friction; secondary market hyUSD price drops below $1
- 4.LST redemptions trigger unstaking across Solana validators — Potential second-order effects on Solana staking ratios and LST liquidity across the ecosystem
Risk Profile at a Glance
Overall: B- (29/100)
Lower score = safer