AlphaEx was a platform created to swap XDCE to XDC. XDCe was an ERC-20 token pegged to XDC at a 1:1 ratio. This was phased out by March 2021 following a large hack in December 2020. However, if you still need to get your transaction history in order to accurately track cost basis of assets - you can grab a CSV file and upload it to Koinly in minutes.
How to connect AlphaEx to Koinly via CSV
Log in to AlphaEx.
Navigate to your transaction history.
Export a CSV file of your complete AlphaEx transaction history.