How to Buy Substratum at COSS (SUB) - Coin Street

This is a short guide to safely buying Substratum (also known as SUB coin) on the COSS exchangeCOSS is a fast-growing exchange where you can buy Altcoins (meaning “alternative coins”).

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What is Substratum

Substratum is an open-source network that allows anyone to allocate spare computing resources to make the internet a free and fair place for the entire world.

SUB Token Details

Official Website:
Name:  Substratum
Token:  SUB
Total Supply: 352,000,000
Circulating Supply: 226,091,449

Step 1 – Register at COSS

To buy the token, you first need to sign up at COSS.

First go to

Go ahead and Register at COSS by adding your personal details.

To sign up for COSS you’ll need a valid email address and create a secure password.

Create a strong Password, click the check boxes for the COSS terms and conditions and the anti-spam captcha.

Click “Register Account”.

how to register for coss account

Step 2 – Activate Your COSS Account.

You’ll be asked to activate your account before you can log in on COSS.

Go to the email you entered and click on the link sent by COSS to complete the registration process.

register at coss exchange to buy altcoins

Step 3 – Log On to Your New COSS Account

Go back to and use your new account details to log in.

Step 4 – Fund your COSS Wallet.

Before you can buy your new tokens, you need to have funds in your COSS wallet.

Note that you can’t send fiat currency direct to COSS.  Instead you need to send your favorite crypto (we recommend ETH or LTC due to low transaction costs and fast transfer times).

The easiest way is to buy crypto at then send it to COSS.

How to Buy Bitcoin at Coinbase

Back at Coss, click the “Funds” link on the top menu bar, then the “Deposits” link on the sub-menu that pops up.

deposit funds at coss exchange to buy altcoins

You now need to find the deposit address for the specific type of crypto you are transferring over from Coinbase.

In this example we’re using ETH.

Find and click on the ETH button.

deposit eth at coss exchange to buy altcoins

Now, copy the ETH Deposit Address and use that as the destination/outward address at your Coinbase account.

eth address at coss exchange to buy altcoins


Wait a few minutes and the crypto (ETH in this case) will be credited to your Coss account.

Step 5: Trade your Ether for SUB tokens.

Click on the ‘Exchange’ link at the top menu, near the Coss logo.

Search for the SUB/ETH pair among the list displayed on the page.  Do this by selecting the “ETH” tab and clicking on the coin pair you would like to buy.

buy altcoins at coss exchange

Under the SUB/ETH chart, you’ll find the Buy SUB section.

buy Substratum (SUB) at coss exchange

The first box with the Amount label is where you enter the number of SUB tokens you plan to buy.

The first box with the Price label displays how much ETH or fraction of ETH you pay to buy each SUB token.

The Total box shows how much Ether in total you are paying for the transaction. This includes any transaction fees by Coss.

Ready to buy?

Go ahead and Click on the “BUY COIN” button.

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Important Notice

This content for educational purposes only and should not be considered investment advice or a trading recommendation.    Buying any cryptocurrency involves a lot of risk.    The cryptocurrency market is highly volatile and any money you invest is at your own risk. TL:DR – crypto is risky, don’t spend money you can’t afford to lose. Now would be a great time to read our full Terms of Use and our Affiliate Disclosure.

  • Doc
  • January 8, 2018

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