Tutorial/ Guide
Collector Labs Physical Item NFTs
1: Create a Metamask account.
On Mobile: Download Metamask from the app store or Google Play.
On Desktop: Head to www.metamask.io and follow the instructions.
Follow the instructions to the letter in both cases, once you have done this you will be able to proceed to the next step, ‘adding Polygon & USDC’ to Metamask wallet. Pay special attention to the security warnings about your private key phrase. It’s vital that you note these words down and store them securely, preferably offline. They are the keys to your wallet, and you must never share them with anyone. No entity would ever ask for your key words so if they do you can be sure it’s a scam.
Once you have completed the steps outlined by Metamask you will have either the Metamask extension on your browser or the Metamask wallet in your mobile device.
2: Adding the Polygon network and USDC
We use the Polygon blockchain and USDC stable coin for our NFTs, you must add these to Metamask next.
On Mobile:
enter your Metamask wallet and click the top part where it says “Ethereum Main Network”
Click “Add a Network”, select “Polygon Mainnet”.
You have now added the Polygon blockchain to your wallet.
Next, we need to add the USDC Currency to your wallet.
At the top of your wallet page underneath “Wallet” check it says “Polygon” underneath, if not click on “Wallet” at the top and select “Polygon”
Click the menu bar top left in Metamask again and select “Wallet”
Next, select “Import Tokens”
In the Search Field type “USDC”, click on the 1st token in the list with the blue and white logo. Then click “Import”
You have now added the USDC currency to your Wallet.
On Desktop:
Install the Metamask extension, head here https://metamask.io/download/ and install the extension.
Next enter https://polygonscan.com/ in your browser, navigate to the bottom of the page and click “Add Polygon Network” (at the bottom of the page next to the Metamask logo.
Click approve & switch network
You have now added the Polygon blockchain to your wallet
Next, click on your metamask wallet extension (a small shortcut program that lives in the top right your browser) or use the main page. and enter your password if required.
Next, we need to add the USDC Currency to your wallet.
At the top of your wallet check it says “Polygon mainnet”, if not click on that part at the top and select “Polygon mainnet”
Next, select “Import Tokens” in blue, near the bottom.
In the 1st field (Token Contract Address) enter the contract number for USDC, this is
0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174
Click on the remaining empty fields and they will autofill.
Next, click “Add Custom Token”
Then click “Import Token”
You have now added the USDC currency to your Wallet.
*ADD FUNDS: Please see the process flowchart to see how to add funds. You can Use Bank Transfer, Apple Pay, or Card to Purchase USDC on Metamask, There is a small fee so make sure you purchase enough to buy all the NFTS you require
How to Connect to Opensea and View and buy NFTs
On Mobile:
Enter your Metamask wallet and click the menu top left and select “Browser”
Enter https://opensea.io/JustCollectingLTD into the browser
this will open our Opensea store page, it should be automatically connected to your wallet, you can click on your OpenSea profile and view your NFTs you can also choose an NFT from our store and purchase it. You will need to follow the prompts from Metamask to approve the transaction. After doing this the NFT will be added to your wallet.
On Desktop:
Enter https://opensea.io/JustCollectingLTD into the browser, this will open our Opensea store page, it should be automatically connected to your wallet, to check this click on the wallet icon (top right of the OpenSea page) if not follow the prompts to connect. you can click on your OpenSea profile and view your NFTs you can also choose an NFT from our store and purchase it. You will need to follow the prompts from Metamask to approve the transaction. After doing this the NFT will be added to your wallet.
You can view your wallet in its entirety and all associated transaction s by visiting https://etherscan.io and entering your wallet number. (at the top you will be able to select the Polygon blockchain, (Ethereum blockchain is displayed by default)
SECURITY CHECKLIST
Write down secret phrase words and store them SECURELY, never share them. if asked by ANYONE for this phrase never give it.
This phrase gives full access to your funds and enables you to access your wallet if you lose your device or set up a new device. If you lose these words, you will lose access to your wallet. There is more info on this on the Metamask wallet setup page.
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