Endur xSTRK Liquid Staking

Endur is a liquid staking platform developed by STRKFarm and Karnot for Starknet, introducing xSTRK, an LST that enables STRK holders to stake their tokens while maintaining liquidity. Users earn staking rewards by converting STRK to xSTRK without sacrificing access to their assets. Endur offers key advantages, including unlocked liquidity, no fees for staking or redemption, faster unstaking, and extended use cases like borrowing and yield strategies. Built on secure, audited smart contracts, Endur embodies endurance and innovation, supporting Starknet's path toward full decentralization.

xSTRK provides liquidity, faster unstaking under normal conditions, and no staking or redemption fees, unlike native STRK staking, which requires a 21-day lock-up period for unstaking.

Unstaking xSTRK usually takes a few hours to 1–2 days under normal conditions. In rare or extreme situations, the process may take longer.

Endur's LST architecture features a three-component system to manage liquid staking efficiently and securely:

LST Contract: The main ERC-4626 vault contract handles user deposits and withdrawals, serving as the primary interface for interacting with the system.

Withdraw Queue Contract: Manages withdrawal requests using unique NFTs that represent the amount, timestamp, and queue position. Withdrawals are processed in order, utilizing new deposits or unstaked funds from delegators.

Delegator System: Acts as a bridge between the LST and Starknet's staking systems, managing actual staking operations with Starknet and ensuring efficient capital utilization.

This architecture streamlines fund flows, optimizes unstaking times, ensures transparent withdrawals, automates reward distribution, and maintains failsafe mechanisms for user security.