Filing a tax return without reporting your crypto income, leaves digital fingerprints behind that will implicate you if the IRS discovers your omission. The IRS uses computers to catch traders not reporting crypto income which the IRS knows about. Expect to get examined.
Our membership provides crypto traders with early warning of the IRS audit. How you use that time is very important. You can read more about it here: https://www.cryptotaxaudit.com/