# Frequently Asked Questions ## **What is the difference between farming and staking?** **FARMING:** In order to farm, you need to provide liquidity to one of the pools on the farming page and then stake your LP tokens on the Farms page. **STAKING:** Staking can be done with just one (1) type of asset at a time. For example, you can stake your **GREEN** tokens alone to earn rewards. ## **How do I add GREEN to my wallet on Polygon?** **Token: GREEN** **Decimals: 18** **Contract Address (Polygon):** 0x40DB6d7812b8288eCA452F912ca9F262b186f278 [Link to contract address on Polygon](https://polygonscan.com/token/0x40DB6d7812b8288eCA452F912ca9F262b186f278) **Contract Address (Aurora):** 0x1CcCA1cE62c62F7Be95d4A67722a8fDbed6EEcb4 [Link to contract address on Aurora](https://aurorascan.dev/token/0x1ccca1ce62c62f7be95d4a67722a8fdbed6eecb4) ## How do I set up my MetaMask wallet up on Polygon and Aurora? ### ### (scroll down on page) ## **Is there a max supply of GREEN tokens?** No, there is no hard-cap. ## **How is APR for GREEN Staking Pools calculated?** * Staking Pool APR = Annualized Rewards (denominated in USD) / User funds staked in Staking Pool (Denominated in USD) \* 100 * APR is variable and dependent on factors such as the amount of GREEN staked and the price of the reward token. ## Connecting your wallet to GREEN Simply click on the "Unlock Wallet" button on the top-right corner of the page. Ensure you choose the corresponding wallet you'd like to connect to Greenhouse with and select "connect". Accept the connection. Welcome! ## Where can I **learn more about Greenhouse's Original backers?** {% embed url="" %} {% embed url="" %} {% embed url="" %} {% embed url="" %}