If you have multiple ERC-20 altcoins in a single wallet, all you need to do is provide the respective wallet's public receiving address and ZenLedger will be able to fetch your transaction history of all the altcoins in that particular wallet.
If you have multiple ERC-20 altcoins in a single wallet, all you need to do is provide the respective wallet's public receiving address and ZenLedger will be able to fetch your transaction history of all the altcoins in that particular wallet.