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Harvard Research Fellow: 'Any blockchain is in one sense transparent'

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Harvard Research Fellow: 'Any blockchain is in one sense transparent'
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8th Global Conference on Criminal Finances and Cryptocurrencies | europol.europa.eu

Harvard University Research Fellow Timothy Massad, a former regulator, has highlighted the potential of blockchain technology in tracing cryptocurrency transactions. Massad made these remarks during a December 16 episode of the Lunch Hour podcast.

"Any blockchain is in one sense transparent," said Massad. "It's a permanent record. You can go to it and see all transactions, but you're looking at addresses that are not like our email addresses… If you figure out that the blockchain address that's in a string of letters and numbers is actually your address, then we can see every single transaction you've ever made, at least through that address."

At the 8th Global Conference on Criminal Finances and Cryptocurrencies held in September, organized by Europol and the Basel Institute on Governance, law enforcement agencies and other participants discussed strategies to combat crypto crime. According to Europol, collaborations between law enforcement and the private sector have been instrumental in tracing illicit transactions across multiple blockchains. By partnering with crypto exchanges and blockchain analysis firms, authorities have successfully de-anonymized illicit actors and returned assets to victims.

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Gurvais Grigg, the Global Public Sector Chief Technology Officer at blockchain analytics firm Chainalysis, emphasized the benefits of blockchain for law enforcement. He said that blockchain provides an "incredibly transparent and permanent ledger," which can be a "huge advantage" if understood properly by agencies. Grigg noted that while cybercriminals may use "obfuscation techniques" to hide their transactions, "unlike cash or wire-transfers, the blockchain’s transparency means that with the right tools, these obfuscation techniques are entirely defeatable."

Massad is currently a Research Fellow at Harvard University's Kennedy School of Government and an Adjunct Professor at Georgetown Law School. His previous roles include serving as Chairman of the U.S. Commodity Futures Trading Commission (CFTC) from 2014 to 2017 and as Assistant Secretary for Financial Stability at the U.S. Department of the Treasury.

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