How to participate in the Big Bang Round

4 min readMay 27, 2021


Setting up Metamask

Install Metamask

Open Extension Category in Chrome here

Click on “Add to Chrome”

Create an account in MetaMask

Click on the “Create a wallet” button

Create Password of at least 8 characters

Click on “Create” and then write down your backup phrase.

Select each phrase in order to make sure it is correct then click “Confirm”

Congratulations! You have created your MetaMask account!

Connect Your MetaMask to Binance Smart Chain

Go to the settings page

Add a new network

BSC Mainnet

Network Name: Smart Chain


ChainID: 56

Symbol: BNB

Block Explorer URL:

Click “Save”

Switch the Metamask to BSC network

  1. Click on the “Networks” menu

Select Smart Chain

Congratulations! Your wallet is ready to go!

How to buy NFTs on the Big Bang Round

  1. Go to:

2. Connect your Metamask wallet

3. Carefully read and choose an NFT pool

4. Choose the number of NFT cards you want to buy and currency

5. Click “Approve USDT” to approve the currency you have chosen

6. Click “” button and approve your transaction

After approving the transaction you’ll see a pop up. Please wait until the transaction would be executed in Binance Smart Chain.

If the transaction is successful you’d see a congratulations popup.

You should add this address to your Metamask to see your NFT: 0x6c7Fe4693Be15b29793579a60B8a53B3185CF99b
Note that you can buy cards from one pool only. So if you need different cards please buy from one pool, then go to another.

Thank you for your trust and support! Go Gravis, we gonna Rock!




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