# How to add "Avalanche (C-chain)" accounts
This page explains how to add an Avalanche (C-chain) account to CryptoVision.
# Adding a Single Wallet
Enter your Avalanche (C-chain) wallet address in the Wallet Address field.
Upload the CSV file of the ERC 1155 Token Txns obtained by SnowTrace to the ERC1155 CSV Datas if necessary.
After entering the information, click the "Register" button to complete account registration and begin retrieving and analyzing transactions.
# How to get ERC1155 CSV Data
Go to SnowTrace (snowtrace.io (opens new window)) and enter and search for your wallet address.
Go to the "ERC1155 Token Txns" tab and click the "Download CSV Export" button.
Select the period for which you want to output the history as CSV, and click the "Download" button to download the CSV data.
# Adding Multiple Wallets at once
Enter the wallet name and address on one line in the Wallet Information field.
After entering the information, click the "Register" button to complete account registration and begin retrieving and analyzing transactions.
※ ERC1155 CSV Data cannot be registered for adding multiple wallets at once
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