Yes, you can use Form 8949 to report your short-term cryptocurrency transactions and attach it to your tax return. Form 8949 is used to report capital gains and losses from the sale or exchange of capital assets, including cryptocurrency.
In Part I of Form 8949, you'll enter the total proceeds, total cost, and total gain or loss for all of your short-term transactions. In Part II, you'll enter a summary of your gain or loss for each type of transaction.
You would need to enter "B" in the "Description of Property" column and enter the name of the cryptocurrency, such as "Bitcoin".
It's important to make sure that the information on Form 8949 is accurate and matches the information on your tax return. Make sure that the total gain or loss from Form 8949 matches the total gain or loss reported on Schedule D (Form 1040).
It's also important to keep records of all your transactions, including the date of purchase, date of sale, cost basis, sales proceeds, and any associated fees. This will help you to accurately complete Form 8949 and ensure compliance with tax laws.
If you have any doubts, please consult with a tax professional.