Singapore police and Coinbase just demonstrated what crypto-meets-law-enforcement cooperation actually looks like when it works. A joint operation running from April 16 to May 31 identified over 145 potential scam victims and prevented more than $4.2 million from vanishing into the wallets of fraudsters.

The operation, coordinated by the Singapore Police Force’s Anti-Scam Centre and Cyber Investigation Branch, didn’t just involve Coinbase. Seven cryptocurrency platforms participated in total, including OKX and Upbit Singapore, making this less of a single-exchange effort and more of an industry-wide dragnet against scammers.

How the operation actually worked

Instead of chasing stolen funds after the fact, Singapore authorities and the participating exchanges used blockchain analytics tools from Chainalysis and TRM Labs to trace fraudulent activity in real time, watching the blockchain for patterns that matched known scam behavior, then intervening before victims completed their transfers.

The scams themselves ran the full playbook. Government impersonation schemes, where fraudsters pose as officials demanding payment. Investment fraud, the classic “guaranteed returns” pitch. Job scams promising easy crypto income. And romance scams, sometimes called “pig butchering,” where victims are emotionally manipulated over weeks or months before being asked to send funds through fake mobile applications.

Coinbase publicly acknowledged its role in the collaboration on July 10, emphasizing that the operation stopped over 145 individuals from falling victim to scams that could have resulted in significant financial losses.

Part of a larger pattern

This wasn’t Singapore’s first rodeo. The operation was explicitly described as a continuation of previous anti-scam efforts by Singaporean authorities working alongside digital asset platforms.

A third operation followed in June, during which an additional $2.9 million was safeguarded for over 130 victims. Add those numbers together and you’re looking at more than $7 million in prevented losses and roughly 275 people who kept their savings across just a few months of coordinated effort.

What this means for investors

The seven exchanges that participated in this operation, including Coinbase, OKX, and Upbit Singapore, are effectively signaling that they’ll freeze suspicious transactions and share information with authorities when scams are detected. For legitimate users, that’s a feature, not a bug. For scammers, it means centralized exchanges are becoming increasingly hostile environments for laundering stolen funds.

The risk for investors isn’t that these operations exist. It’s that scammers adapt. Romance scams and pig butchering operations have already started moving toward decentralized platforms and peer-to-peer transactions specifically because centralized exchanges are getting better at catching them. The $4.2 million that was saved here represents interventions that were possible because the money touched regulated platforms. Funds routed through mixers, privacy chains, or direct wallet transfers are much harder to intercept.