# Reward System

Different protocols have different reward systems, which means that each unique strategy has its own APY. The APY of a strategy is calculated as the weighted arithmetic mean of all the protocols involved. The eventual rewards of depositing ETH could be calculated as follows:

RETH represents the total eventual rewards of the strategy, i.e., on your ETH

Rspi represents the rewards given by each staking protocol involved

represents the distribution corresponding to Rspi

Rrpi represents the rewards given by each re-staking protocol involved

Zi represents the distribution corresponding to Rrpi

∑ ARi represents the eventual additional rewards given by the protocols, e.g., EigenLayer points

The APY at a given point of time could be calculated in a similar fashion:

APYETH represents the APY for the strategy, i.e., on your ETH

APYspi represents the APY of each staking protocol involved

Wi represents the distribution corresponding to APYspi

APYrpi represents the APY of each re-staking protocol involved

Zi represents the distribution corresponding to APYrpi

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