> For the complete documentation index, see [llms.txt](https://docs.fief.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fief.finance/fief-applications/staking/sfief-staking-ethereum.md).

# sFIEF Staking (Ethereum)

[**Fief’s single-sided staking system**](https://staking.fief.finance/) is a fork of the popular and highly reviewed vote-escrowed staking protocol by leading DeFi project Curve (veCRV). Available only on Ethereum mainnet.

With FIEF staking, users lock up their tokens for a period between 3 months and 2 years. In return for locking up their tokens, they receive a non-transferrab\`le receipt token called Staked FIEF (sFIEF). The amount of sFIEF received is lock-period dependent with a max of 1 sFIEF : 1 FIEF if the 2 year period is chosen.\`

As an example, a staker who locks up 10 FIEF for one (1) year will receive the same amount of sFIEF as a staker who locks up 5 FIEF for two (2) years.

The amount of received sFIEF following initial lock decays linearly over time until the end of the lock date. If you desire to maintain your sFIEF balance, you can simply stake more FIEF or increase your lock period if you previously chose a period < 2 years.

Tip 1: You can never decrease your lock period after your initial stake. Therefore, please review your decision in depth before committing to staking your FIEF.

Tip 2: The lock period rounds to the nearest week – this is why you might see a slight discrepancy between the date you select and the date in which your lock period concludes.

Tip 3: Staking analytics update every 30 minutes.

## Reward System

A weekly FIEF distribution will be made to the pool of sFIEF holders. The source of the FIEF rewards is a 100,000,000 treasury allocation that is designed to provide constant, steady-state rewards to stakers.&#x20;

**Distributions are made for claim every week starting the week of September 12, 2022. It takes** **8 days from the first Thursday after which you stake FIEF before you can claim rewards. Rewards are usually available around 0:00 UTC on Thursdays.**

The amount of FIEF an individual user receives is determined by protocol usage and their percentage of the total sFIEF supply.

<mark style="color:orange;">**A 0.5% Fief fee is applied to all reward claims.**</mark>

## Influence Points

In addition to the weekly FIEF rewards paid out to stakers according to their sFIEF balances, users will also earn daily Influence Points (IP) for locking up their FIEF.

<mark style="color:orange;">**1 FIEF Locked = 0.03 IP / Day**</mark>

Accrued IP is attached to your wallet and is non-transferable.  All spent IP is burned upon use.

## Relevant Contract Addresses

FIEF Contract Address: <https://etherscan.io/token/0xeA068Fba19CE95f12d252aD8Cb2939225C4Ea02D>

sFIEF Contract Address: <https://etherscan.io/token/0xa886c732703700efcbd8438768822c8e716cb0ec>


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