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Olá pessoal!
Brazilian-born data scientist and blockchain analytics guru Lucas Nuzzi joins the show to discuss his work exposing the Sam Bankman-Fried fraud trail in November 2022.
Specifically, we discuss his on-chain detective work that provided the first public evidence of fraud at FTX and Alameda Research.
The $4 Billion Transaction That Changed Everything
In November 2022, while most of the crypto world was caught off guard by FTX's sudden collapse, Lucas was connecting the dots using a blockchain data platform that he was building while employed at analytics firm CoinMetrics. His analysis revealed:
A suspicious $4 billion transaction from Alameda Research to FTX, occurring the day before Sam Trabucco mysteriously quit as Alameda's CEO
Systematic commingling of funds between the supposedly separate entities dating back years
Evidence of an "infinite credit line" that allowed Alameda to tap into FTX customer deposits
"It was really this out-in-the-open maneuver between the two entities," Lucas explains. "The evidence was transparent on the blockchain, but it wasn't legible."
When Due Diligence Fails
One of the most shocking aspects of the FTX collapse was how it fooled sophisticated investors, including major VCs and sovereign wealth funds. Lucas breaks down why traditional due diligence missed the red flags:
The transparency paradox: Blockchain data is public but requires specialized tools to interpret
Appearance of legitimacy: FTX operated as a high-quality product with excellent UX and APIs
Complex entity structures that masked the true relationship between FTX and Alameda
"You had this failure of identifying red flags that were out in the open from the get-go," Lucas notes.
The Human Cost of Financial Fraud
Beyond the technical analysis, Lucas shares the emotional toll of his revelations:
Hundreds of desperate messages from FTX users in the days following days who thought they'd lost their life savings
Collaboration with prosecutors to help build the fraud case
Personal PTSD from being thrust into the center of crypto's biggest scandal
"It was the highest of highs and the lowest of lows in a single month," he reflects.
Lessons for the Future
The conversation reveals crucial insights for preventing future fraud:
Proof of reserves could have prevented the commingling that enabled the fraud
AI-powered analysis can help identify suspicious patterns at scale
Better data accessibility is essential for proper due diligence
Lucas argues that this wasn't just accounting errors but systematic fraud that damaged crypto's reputation and led to increased regulatory hostility.
Looking Forward
Now CEO of Portex AI, Lucas is building a data marketplace to democratize access to blockchain analytics. His goal: ensure that the tools needed to spot fraud like this are available to everyone, not just specialized analysts.
I enjoyed this conversation with Lucas and I hope you do as well. You can connect with him on X/Twitter.
-AWS
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