You can view all transactions between you and a certain contact.

To view transactions:

  1. At the top of the home screen, tap the nut icon to go to Settings. Then, click Contacts.

  2. Select the contact and open the chat with him or her. On the chat screen, you can view a list of transactions with comments.

  3. If you want to view the history of transactions without comments, tap the contact's avatar.

  4. Tap Transaction history. 

You can also see a list of your transactions in the blockchain explorer.