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Tutorial: How to Lend Assets on Aave (Polygon Network)

July 27th, 2021

What is Aave?

Aave is an open source and non-custodial liquidity protocol for earning interest on deposits and borrowing assets. It lets users lend or borrow cryptocurrency without going through a centralized intermediary (like a bank, financial institution, or centralized exchange).

Depositors earn a passive income when they provide liquidity to the market by depositing assets. Borrowers are able to borrow assets to obtain liquidity (working capital) without selling their assets. Borrowers pay interest on their loans. Usually, people borrow due to unexpected expenses, to leverage their holdings or for new investment opportunities.

What is Polygon?

Polygon is a protocol and a framework for building and connecting Ethereum-compatible blockchain networks. Polygon’s network leverages the security of the Ethereum network and uses Chainlink as a price oracle. It is a scaling solution for Ethereum.

How to get funds on the Polygon Mainnet

How to setup Metamask for Polygon Mainnet

  • Open MetaMask in your browser;
  • Click on the current network “Ethereum Mainnet“.
  • Choose the option “Custom RPC” at the bottom of the list.
  • Enter the parameters of the Polygon mainnet

How to bridge funds to the Polygon Mainnet
I recommend using Zapper to bridge funds over to the Polygon mainnet from the Ethereum mainnet.

  • Go to Zapper bridge
  • Verify that you are on the “Ethereum mainnet” from your MetaMask. Specify the bottom destination network to be Polygon.
  • Choose the token you want to send on the Polygon network from the drop-down menu and the token you want to receive on Polygon.
  • Set the Transaction Speed according to how long you wish to wait for the confirmation on Ethereum. Once the transaction confirms on Ethereum, you have to wait an additional 7-8 mins for your assets to arrive on Polygon.
  • If it is your first time bridging to the Polygon mainnet you may receive a small amount of MATIC that you will need for your first transactions.

What is Aave Polygon?

Aave recently implemented their protocol on Polygon mainnet, which means that transactions for any Aave Polygon lending or borrowing are lightning fast and have low transaction/gas costs.

Note: Polygon will be paying out 0.5% of the total supply of MATIC in rewards for borrowing and lending funds between Jun. 14, 2021 and Apr. 13, 2022. So you can even get rewarded in WMATIC by lending!

Current supported assets: MATIC, DAI, USDC, USDT, WETH, WBTC, AAVE.

How to connect to Aave's Polygon market
Visit their website on the Desktop:

Make sure you have Aave's Polygon Market selected (top right of the screen in your web browser).

Click on the connect button.

Make sure you have the Polygon Mainnet selected as your preferred network and connect your wallet.

A step-by-step guide on how to lend funds on Aave Polygon

Choose the asset you want to deposit - if I want to deposit USDT into Polygon I can click on the USDT market.

Click on the deposit button on the right. Assets must be bridged into Polygon first if you're using the Aave Polygon market.

Input the amount you want to deposit and confirm the transactions.

Congratulations on successfully depositing and lending assets into the Aave Polygon market!

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