How Does SpringSui Work?
SpringSui is the leading liquid staking protocol on Sui, letting you stake SUI and receive sSUI that earns staking rewards while staying usable in DeFi. Built by the Suilend team, it features instant unstaking — you can convert sSUI back to SUI in one transaction, unlike most liquid staking protocols. It has been audited by Zellic and OtterSec. Its B+ grade reflects strong fundamentals and the instant unstake safety feature.
TVL
$55M
Sector
Liquid Staking
Risk Grade
B
Value Grade
D-
Core Mechanisms
Staking/Liquid Staking/Reward-bearing LST
sSUI (Spring Staked SUI) is a reward-bearing liquid staking token that accrues SUI staking rewards, built using the SpringSui standard on Sui network
First LST built on the SpringSui standard. Key differentiator is instant unstaking — sSUI can be unstaked for SUI in a single transaction without waiting periods.
Staking/Unstaking/Instant Unstake
NovelsSUI supports instant unstaking to SUI in a single transaction, eliminating the typical epoch-delayed unstaking of other LSTs and reducing depeg risk
Instant unstaking is a significant improvement over other LSTs. Eliminates the primary source of depeg risk by allowing immediate arbitrage when sSUI trades below fair value.
Framework/Standard/Permissionless LST Standard
NovelSpringSui standard is a permissionless framework allowing anyone to create Sui liquid staking tokens, with over 200 LSTs created by end of Q2 2025
Permissionless LST creation democratizes liquid staking but introduces quality control risks. Low-quality LSTs created on the standard could confuse users or dilute the ecosystem.
Integration/DeFi/Lending Collateral
sSUI deeply integrated as collateral on Suilend, the largest Sui lending protocol, enabling leveraged staking and lending strategies
Deep integration with Suilend creates bidirectional risk. sSUI as collateral means Suilend health depends on sSUI stability, and sSUI ecosystem value depends on Suilend usage.
Staking/Delegation/Validator Set
sSUI staking rewards derived from delegation to Sui network validators, managed by the SpringSui framework
Standard validator delegation model on Sui. Validator selection and rebalancing managed by the protocol to optimize yield and security.
How the Pieces Interact
sSUI is the primary LST collateral on Suilend. During SUI price drops, sSUI-collateralized positions face liquidation. Despite instant unstaking, mass liquidation sell pressure could still cause temporary depeg if DEX liquidity is insufficient.
200+ LSTs created on SpringSui standard include varying quality levels. Users may confuse low-quality or malicious LSTs with sSUI, leading to fund loss. Ecosystem reputation damage from a failed SpringSui LST could affect sSUI confidence.
SpringSui and Suilend share the same team and deep technical integration. A vulnerability in either protocol could cascade to the other. Combined TVL concentration creates systemic risk for Sui DeFi.
Instant unstaking requires the protocol to maintain sufficient SUI liquidity. During extreme demand, instant unstake capacity could be exhausted, temporarily reverting to standard unstaking and reintroducing depeg risk.
What Could Go Wrong
- Permissionless LST creation standard allows anyone to create Sui LSTs, potentially flooding market with low-quality or malicious liquid staking tokens
- sSUI used as collateral across Sui DeFi — depeg during market stress could cascade through Suilend and other lending protocols
- Part of the Suilend ecosystem which concentrates DeFi risk — a Suilend vulnerability could impact sSUI holders and vice versa
sSUI Collateral Cascade on Suilend
ModerateTrigger: SUI price drops 30%+ in 24 hours, triggering mass liquidation of sSUI-collateralized positions on Suilend while DEX liquidity is thin
- 1.SUI crash triggers liquidation of sSUI-collateralized borrowing positions on Suilend — Liquidation bots sell sSUI on Sui DEXs to recover value
- 2.Instant unstake mechanism absorbs initial selling, but capacity strains under sustained liquidation volume — DEX liquidity depleted; sSUI begins trading at slight discount to fair value
- 3.Discount triggers more Suilend liquidations as collateral value drops below expected sSUI:SUI ratio — Reflexive liquidation spiral until selling pressure exhausts or arbitrageurs close gap
- 4.Suilend total value locked drops sharply as users deleverage sSUI positions — Combined SpringSui + Suilend TVL decline impacts Sui DeFi ecosystem confidence
Risk Profile at a Glance
Overall: B (24/100)
Lower score = safer