Stake.link contributed the following description of Polygon Staking:

stake.link is the first of its kind delegated liquid staking protocol for Chainlink Staking. Powered and governed by the protocol token SDL, with DeFi interoperability enabled by the liquid staking receipt token stLINK, the stake.link protocol enables anyone to provide LINK collateral to and receive a share of rewards from the most reliable and performant Chainlink node operators.

Zellic conducted a security assessment for Stake.link from June 20th to June 26th, 2025. During this engagement, Zellic reviewed Polygon Staking's code for security vulnerabilities, design issues, and general weaknesses in security posture.