You can view all transactions between you and a certain contact.
To view transactions:
In the upper right corner of the main screen, click the contact icon.
Select the contact and open the chat with him or her.On the chat screen, you can view a list of transactions with comments.
If you want to view the history of transactions without comments, click the contact's avatar.
Click Operations history.
You can also see a list of your transactions in the ton.live blockchain explorer.