Electrum will import the legacy address (
P2PKH) derived from the private key by default.
If some of those addresses aren't legacy, you'll have to add a prefix when importing the keys to Electrum.
Using this format (
will show when you click 'info'):
https://i.imgur.com/XA2P081.pngOk so I found the transaction as a "P2SH-P2PK" change address. But I guess I need to find what private key that is and add the prefix "P2SH-P2PK:privatkey", but how will I know which private key it is? Do you know that HCP?
In other case I can create a new wallet and import the private key one by one and see which one that hasn't any transaction and add the prefix to it?