3 Defining Moments in US Crypto Tax Enforcement

The historical milestones that transformed the IRS from a passive observer of digital assets into an active and aggressive tax enforcer.

The top 3

  1. 2014: Notice 2014-21 Classification: The IRS officially declared virtual currencies as 'property' for federal tax purposes, setting the foundation for all future capital gains tax requirements.
  2. 2020: The Form 1040 Checkbox: The IRS added a direct question about virtual currency to the standard Form 1040, requiring every US taxpayer to report their crypto activity or face perjury risks.
  3. 2025-2026: Mandatory 1099-DA Reporting: The implementation of Form 1099-DA forces centralized exchanges to report detailed transaction data to both users and the IRS, ending the 'anonymous' era of crypto trading.

Sources

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