Onchain evidence helped secure the conviction of three terrorism financiers in Indonesia in 2024 and 2025, according to TRM Labs. The cases showed that blockchain evidence now carries weight in court and can support terrorism financing prosecutions.
In a statement published on Sunday, TRM Labs said Indonesian courts accepted wallet addresses, transaction histories, and onchain flows as key evidence.
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The firm said this material was not only admissible. It also helped anchor the prosecutions.
TRM said,
“Indonesian courts have demonstrated that cryptocurrency evidence — wallet addresses, transaction histories, on-chain flows — is not only admissible but can anchor a terrorism financing prosecution.”
The statement placed onchain evidence at the center of the three cases.
Onchain Evidence Traced $49,000 in USDT to ISIS Linked Campaign
One of the three cases involved more than $49,000 worth of USDt. According to TRM Labs, authorities traced the money across 15 transactions from a local exchange to a foreign platform.
Later, the funds were routed to an ISIS-linked terrorism fundraising campaign in Syria. That trail gave investigators a direct record of how the money moved. As a result, the blockchain data became a key part of the case.
The analysis came from Indonesia’s financial intelligence team and Densus 88, the country’s counterterrorism police unit.
They presented those findings to Indonesian courts, which accepted the blockchain data as key evidence in each of the three cases.
TRM Labs Says Terrorism Financing Networks Used Crypto Transfers
TRM Labs said some terrorism financing networks used cryptocurrency because authorities and regulators had been slower to apply the same scrutiny seen in traditional fiat channels. That gap made crypto transfers easier to use in some cases.
At the same time, TRM Labs said that pattern is changing. The Indonesia cases showed that investigators can now trace crypto transaction routes and present blockchain evidence in court.
The firm pointed to wallet addresses, transaction records, and onchain fund flows as the main tools used in tracing. Those tools helped investigators connect transfers, platforms, and the final destination of funds.
Indonesia Terrorism Financing Cases Reflect Wider Regional Shift
According to TRM Labs, Indonesia is not the only country in Southeast Asia using blockchain intelligence to track illicit finance. The firm said similar patterns are now emerging across the region.
TRM said governments are investing in blockchain intelligence capabilities and increasing cooperation between public and private sector groups. That includes work between law enforcement agencies, intelligence teams, and blockchain analytics firms.
The company said,
“Similar patterns are emerging across Southeast Asia, where governments are investing in blockchain intelligence capabilities and enhancing collaboration between public and private sectors to address illicit finance risks.”
It also said Singapore and Malaysia are building the technical ability to trace cryptocurrency flows.
Southeast Asia Cases Extend Beyond Indonesia
TRM connected the Indonesia terrorism financing cases to broader enforcement activity in the region. On April 1, officials from Cambodia and China captured Li Xiong, identified as a leader of the Huione Group.
According to the report, the Huione Group served scam centers in Cambodia involved in pig butchering frauds and other investment schemes that stole crypto from victims worldwide. After the arrest, Li Xiong was extradited to China.
There, he is set to face fraud and money laundering charges. His extradition came three months after the arrest of Chen Zhi, the head of Prince Group, which operates Huione Group.
Stablecoin Terrorism Financing and Illicit Flows Stay in Focus
The report also pointed to the broader use of stablecoins in illicit finance. In February, TRM Labs reported that illicit entities received about $141 billion worth of stablecoins in 2025.
That figure marked a five-year high, according to the firm. It also showed why stablecoin terrorism financing and other illicit flows remain a focus for investigators.
In the Indonesia cases, USDt transfers were part of the traced transaction path. Therefore, stablecoins remained central both to the evidence presented in court and to the wider tracking of illicit crypto flows.
Tatevik Avetisyan is an editor at Kriptoworld who covers emerging crypto trends, blockchain innovation, and altcoin developments. She is passionate about breaking down complex stories for a global audience and making digital finance more accessible.
📅 Published: April 7, 2026 • 🕓 Last updated: April 7, 2026
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