This page explains how to upload atrade history of Electrum wallet.
By utilizing the DeFi feature, you can upload transaction history associated with the master public key managed in Electrum wallet.
DeFi：User Guide for cryptact’s DeFi Feature
Contents
1．When the Master Public Key (Xpub) is Required
For blockchains that use the UTXO model, a new receiving address is created for every transaction. In order to automatically import all transaction history, you’ll need to use an master public key (Xpub key). Examples of blockchains using the UTXO system
- Bitcoin (cryptact added support on 18th Sep 2025)
Each blockchain generates its own unique master public key (xpub key), so you must export it separately for every coin you transact with. Depending on the wallet, the master public key (xpub key) may be easy to find, while some wallets do not display it at all. Even if it isn’t shown directly, you can usually derive the master public key (xpub key) from your recovery phrase.
2. How to Obtain a Master Public Key from Electrum
1．After logging in Electrum, click on Wallet > Information in the menu.
2．Copy the Master public key.
3. How to Add a Master Public Key
Please add the copied master public key to cryptact using the method below:
DeFi: How to Import Wallet Transaction History