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Navigating $0 cost basis on crypto gains: a dilemma

Crypto Tax Reporting | Navigating Concerns Over $0 Cost Basis

By

Carlos Pereira

Mar 3, 2026, 12:37 PM

Edited By

Samantha Lee

Updated

Mar 4, 2026, 10:33 AM

2 minutes to read

A person holding a smartphone displaying Bitcoin, looking confused about tax implications.

A recent forum discussion has reignited debates among people dealing with cryptocurrency tax declarations, especially around declaring a $0 cost basis on BTC worth $850. Participants shared their insights and experiences, raising critical questions regarding IRS scrutiny and best reporting practices.

Tax Dilemma at the Center of Attention

The headline incident involves a user who sent $20 to a friend for a bet that yielded $850 in BTC. They failed to report crypto acquisitions or gambling winnings from this transaction in 2021 and are now concerned about the absence of a clear cost basis. As tax season looms, they look for guidance to avoid IRS complications.

"I’d like to avoid any IRS notices and am okay slightly overpaying," the user confessed.

Complications arose following a bulk sale of BTC in 2025, where the original cost basis remains elusive, making proper reporting a challenging task.

Community Feedback

Many commenters weighed in on this situation, forming three major themes:

  1. Cost Basis Clarity: Many emphasized that the cost basis is indeed $850. Some replied, "Your cost basis is $850. Why do you say you have no way of figuring it out?"

  2. Misreporting Concerns: Participants cautioned against declaring a $0 cost basis. Comments suggested that given the potential penalties, opting for a conservative estimate might ease anxiety for the individual.

  3. Regulatory Risks: Warnings about the IRS's growing scrutiny were evident. Given that amendments to past returns may lead down a tricky path, some felt that a mistaken omission, if deemed innocent, might not trigger a review.

Warren from CoinTracker provided insight: "Your basis should be $850, as it is gambling income that should have been reported in 2021."

Highlights from the Forum

Community members shared various perspectives on their own tax experiences.

  • Insights on Risk Evaluation: "My risk tolerance is very low," one user expressed while reflecting on fears of an IRS audit.

  • Frustrations with Complexities: "I can’t find the cost basis for several trades, and I will absolutely be paying more than I owe, unfortunately," wrote another, highlighting the challenge many face in organizing their crypto tax records.

Key Insights

  • ◼️ Cost basis for the reported BTC transaction could be clearly outlined as $850.

  • β–½ Misreporting may trigger scrutiny from IRS if not approached correctly.

  • ➀ Community sentiment shows common frustrations around managing complex tax scenarios in crypto.

As conversations around this dilemma continue, people are reminded of the pressing need for accurate reporting. With potential changes looming, it remains to be seen how these tax reporting practices will evolve in response to regulatory pressures and community concerns.