# Staking

## ① PlanetVault

1. You can stake your $MetaX into the smart contract [PlanetVault](https://arbiscan.io/address/0xc25b684d41f3346fa370ebc3c9a2aed3a5c8fd18), which represents the TVL of MetaX. And your staking level will be calculated on-chain accordingly.
2. Duration of each staking, accumulated staked amount and accumulated unstaked amount will all be recorded based on your wallet.
3. No restrictions on staking / unstaking process. No fees on unstaking. You can redeem your principle in 7 days after unstake.
4. Your final X-Power is calculated using a bonding curve with log2 function. You will experience a rapid growth rate in the beginning if you keep on increasing your X-Power (by staking and/or boosting). And growth becomes harder and harder in later period to achieve a balance. On the contrary, you will experience a rapid reduced rate in the beginning if you decrease your X-Power (by unstaking). (see Algorithm for details)

## ② Staking Level

1. Staking level is calculated on-chain based on the amount & duration of each staking record.
2. Also, an adjustment factor (50%\~200%) applies based on your accumulated unstaked amount.
3. Finally, the above values are calculated using a bonding curve of log2 function to get your staking level.
4. You will experience a rapid growth rate in the beginning if you keep on staking. And growth becomes harder and harder in later period to achieve a balance. On the contrary, you will experience a rapid reduced rate in the beginning if you choose to unstake. Noted that the reduced rate will be bigger than the growth rate of the same staking/unstaking amount due to the existence of an adjustment factor.
5. See Algorithm for details.

## ③ Values

1. Staking is the pre-requisite for users to participate in interactive social mining.
2. The degree of interactive social mining is based on your staking level. (see Algorithm for details)
3. Staking level is the key to boost up your percentage of winning continuous airdrops in Auto Airdrop MarketPlace.
4. Staking level is the key component for revenue sharing of MetaX.
5. Staking level is the fundamentals for MetaX DAO management.


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