Carbon is an advanced trading protocol on the Ethereum blockchain. If you have ever used the Carbon protocol, or a similar fork, then you can easily track your capital gains and losses using Koinly. You can do this by following these 2 steps:
Step 1: Import your Ethereum address
If you haven't done so already, you can import all of your Ethereum transactions by adding a new wallet to Koinly, selecting Ethereum, and pasting in your public ETH address