Argentina’s federal tax authority, AFIP, is intensifying its scrutiny of cryptocurrency-related tax compliance. The agency said it has sent notices to 3,997 taxpayers after identifying inconsistencies between their tax returns and information on their cryptocurrency holdings. The reviews focus on tax statements linked to crypto operations carried out in 2020.
Exchange Data Becomes a Key Enforcement Tool
The enforcement push is rooted in data collected from local cryptocurrency exchanges, which are required by law to provide operational information to AFIP. By cross-checking exchange activity against filed tax statements, the agency says it has identified cases where taxpayers may have failed to properly disclose crypto assets or income derived from them.
According to the reported notices, affected taxpayers are being informed that they operated through domestic crypto platforms and may need to amend their affidavits to include both their holdings and any taxable results tied to digital asset transactions. The agency’s position, as cited in the report, is that gains resulting from the disposal of digital currencies fall under Income Tax and must be declared when applicable.
Why the 2020 Review Could Extend Further Back
Although the current notices are tied to 2020 filings, the implications may not stop there. If taxpayers are asked to justify the source of funds used for crypto purchases or explain portfolio changes during that year, they could end up exposing a longer historical record of acquisitions and holdings. That, in turn, may lead to revisions of tax statements from years prior to 2020.
This possibility matters because crypto tax reporting often involves more than a single sale or transfer. Once authorities trace purchase history, wallet balances, and exchange transactions, the review can widen into a broader reconstruction of asset ownership over time. In practice, a request tied to one year’s filing may trigger examination of a taxpayer’s previous declarations as well.
The Legal Debate Over Seizing Crypto
The report also highlights a contentious legal issue in Argentina: whether the state can seize cryptocurrency to satisfy tax debts. Argentine attorney Daniel Perez argued that there is still no clear legal basis allowing authorities to take control of private crypto wallets directly. In his view, existing law does not explicitly authorize the seizure of those wallets, even if a taxpayer owes money to the state.
That stands in contrast to digital accounts, which can be seized under current practice. The report notes that more than 1,200 digital accounts have been seized since February. But applying similar enforcement to cryptocurrency wallets is far more complex, especially when assets are held in structures that do not rely on a third-party custodian.
Noncustodial Wallets Remain a Practical Barrier
Perez said the law would need to be amended to clearly establish the possibility of seizing electronic wallets. He also suggested that AFIP is aware of this limitation and has sought to obtain broader authority, including over fiat balances and bitcoin, through proposed budget language.
Even if such a legal change were adopted, however, its application would still face practical constraints. The report indicates that any new article would likely be relevant only in situations involving exchanges, custodial arrangements, or other service providers able to control access to funds. With noncustodial wallets, the challenge is different: the state would still need a workable mechanism to compel citizens to surrender private keys, something the report says remains uncertain.
A Sign of Tougher Crypto Tax Oversight
AFIP’s latest notifications show that Argentina is moving toward tighter oversight of cryptocurrency activity through a data-driven compliance model. Instead of relying solely on self-reporting, the agency is using transaction information from domestic exchanges to identify discrepancies and pressure taxpayers to correct filings.
For market participants, the development underscores a broader trend seen in many jurisdictions: once local platforms are integrated into tax reporting systems, historical crypto activity becomes much easier for authorities to examine. In Argentina’s case, the immediate issue is the mismatch between declared income or holdings and exchange-reported records from 2020. But the broader consequence may be a more aggressive tax posture toward digital assets in general.
While the legal boundaries around crypto seizure remain unsettled, the message from AFIP is clear: cryptocurrency transactions are no longer operating outside the reach of tax enforcement, and taxpayers with undeclared holdings may face increasing pressure to reconcile past filings.