A new feature to control our crypto investments.
For example, a feature where we can make your coin name and purchase price, and a new feature that shows us the income or loss it provides by writing our selling price.

For this you will need to have:
1. Purchase Price
2. Sale Price
3. Amount Received
4. Deposit Amount
5. Coin price sections

Deposit ÷ Coin price = Received amount
Coin amount × Sold price = Money earned

is calculated as

would be a nice feature