How Does stake.link liquid Work?
stake.link liquid is the first and leading liquid staking protocol for Chainlink's LINK token. When you deposit LINK, you receive stLINK, which earns staking rewards from both the Chainlink Community Pool and the higher-yielding Node Operator Pool — a combination only available through stake.link. The SDL governance token controls protocol parameters and provides staking priority. A 5% liquidity buffer allows instant withdrawals when available, and the protocol is expanding to support staking for other networks like Polygon.
TVL
$63M
Sector
Liquid Staking
Risk Grade
B-
Value Grade
C
Core Mechanisms
Staking/Liquid-Staking
stLINK: rebasing liquid staking token for LINK staked in Chainlink Staking pools
Users deposit LINK and receive stLINK, which rebases to reflect staking rewards. stLINK provides liquid access to both the Community Pool and the higher-yielding Node Operator Pool.
Staking/Dual-Pool
NovelAccess to both Chainlink Community Pool and Node Operator Pool via pooled deposits
stake.link is the only platform providing general public access to the Node Operator Pool, which earns higher yields from delegation rewards. Deposits are distributed across both pools for blended returns.
Governance/NFT-Boost
NovelreSDL: transferable NFT representing staked SDL with time-locked boost mechanism
SDL governance tokens are converted to reSDL NFTs when staked. The LinearBoostController provides additional yield boosts for locking SDL, with longer lock durations increasing the boost. This NFT format enables secondary market trading of governance positions.
Liquidity/Buffer
5% liquidity buffer for instant stLINK to LINK withdrawals
stake.link maintains 5% of deposits as liquid LINK to enable instant withdrawals. If the buffer is exhausted, users must wait for the Chainlink unstaking cycle.
Governance/Token
SDL token governing protocol parameters, staking priority, and fee distribution
SDL token (100M total supply, ~54M circulating) governs the protocol. SDL stakers get priority access to staking capacity and a share of protocol fees.
Staking/Multi-Asset
Expansion to multi-asset liquid staking starting with stPOL for Polygon
stake.link is expanding beyond LINK to support liquid staking for other networks, starting with stPOL for Polygon. This diversification extends the protocol's utility but adds new chain-specific risks.
How the Pieces Interact
Chainlink Staking pools have fixed capacity limits. If pools reach capacity, new stLINK minting is blocked, creating deposit queues and potentially driving stLINK to trade at a premium to LINK.
The 5% buffer is designed for normal withdrawals, not mass exits. A panic event could exhaust the buffer in hours, leaving subsequent withdrawals queued for the Chainlink unstaking cycle (potentially weeks).
The reSDL NFT secondary market could enable concentrated accumulation of governance power through NFT purchases. An attacker could acquire reSDL NFTs to gain outsized governance influence.
If Chainlink node operators in the pool experience downtime or are penalized, stake.link depositors share in the reduced returns or penalties proportionally.
Adding new chains and assets increases the codebase surface area and operational complexity. A vulnerability in the stPOL implementation could affect confidence in the entire stake.link platform.
What Could Go Wrong
- stLINK liquidity depends on Chainlink's staking capacity constraints — if Chainlink Staking v0.2 pools fill up or change terms, new deposits may be blocked
- SDL governance token controls staking priority and protocol parameters, but the reSDL NFT-based staking boost mechanism adds complexity and potential manipulation vectors
- 5% liquidity buffer for instant withdrawals may be insufficient during mass exit events, forcing stakers to wait for unstaking cycles
Mass Withdrawal Exhausting Liquidity Buffer
ModerateTrigger: A Chainlink-ecosystem negative event (e.g., major oracle failure, LINK price crash 50%+) triggers mass stLINK redemptions that exhaust the 5% liquidity buffer
- 1.Negative Chainlink ecosystem news triggers panic selling of LINK; stLINK holders rush to redeem for LINK — 5% liquidity buffer (~$2.9M) is exhausted within hours of mass redemption demand
- 2.Subsequent withdrawal requests are queued for the Chainlink unstaking cycle — stLINK trades at a discount on secondary markets as holders sell at a loss rather than wait for unstaking
- 3.stLINK depeg triggers liquidations in any DeFi protocols using stLINK as collateral — Cascading sell pressure on both stLINK and LINK amplifies the depeg
- 4.Confidence in stake.link drops; SDL token value declines as users question the protocol's sustainability — Governance participation decreases; remaining stakers face extended withdrawal delays
Risk Profile at a Glance
Overall: B- (32/100)
Lower score = safer