$49,000 in Stablecoins Leads Investigators Straight to ISIS

Indonesian courts convicted three individuals for terrorism financing in 2024 and 2025, using onchain evidence as the backbone of each prosecution.

The cases mark a clear shift in how Southeast Asian courts treat blockchain data, with wallet addresses and transaction histories now serving as admissible, case-anchoring evidence.

How Blockchain Data Built the Case

Indonesia’s financial intelligence unit, PPATK, worked alongside the country’s elite counterterrorism police unit, Densus 88, to trace crypto transactions tied to all three defendants.

None of the individuals carried out attacks directly. Instead, they collected, transferred, and converted funds into crypto to move money to terror networks.

One defendant sent more than $49,000 worth of Tether (USDT) across 15 transactions from a local Indonesian exchange to a foreign platform.

Those funds were later routed to an ISIS-linked fundraising campaign in Syria, according to TRM Labs.

“Indonesian courts have demonstrated that cryptocurrency evidence… is not only admissible but can anchor a terrorism financing prosecution,” read an excerpt in the TRM Labs report.

A Regional Trend Takes Shape

Indonesia is not acting alone. TRM Labs noted that Singapore, Malaysia, and other Southeast Asian jurisdictions are all investing in blockchain intelligence capabilities.

The firm described a broader regional pattern in which terror cells have turned to cryptocurrency precisely because regulators were slow to apply the same scrutiny they give traditional fiat channels.

On April 1, Cambodian and Chinese officials captured Li Xiong, the former chairman of Huione Group. The organization allegedly served as a hub for scam centers that carried out “pig butchering” frauds and other crypto theft schemes.

Xiong was extradited to China, where he faces fraud and money-laundering charges. His arrest came three months after the capture of Chen Zhi, the head of Prince Group, which operates Huione Group.

TRM reported separately in February that illicit entities received roughly $141 billion worth of stablecoins in 2025, a five-year high. Sanctions-related activity accounted for 86% of all illicit crypto flows that year.

These Indonesian convictions signal that the window for using crypto to quietly finance terrorism is closing, particularly as courts across the region accept blockchain data as prosecution-ready evidence.

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