Sebastián Marset, the Uruguayan drug trafficker dubbed the ‘modern Pablo Escobar,’ was captured in Bolivia on March 13 and is now under U.S. custody, accused of laundering millions through crypto networks. The case has triggered a joint investigation between Bolivia’s Special Anti-Narcotics Force (FELCN) and the U.S. Drug Enforcement Administration, which met in Washington this week to coordinate their next moves against his alleged financial empire.
The question isn’t whether crypto can be used for crime. Clearly, it can; crypto laundering volumes hit $82 billion in 2025, according to blockchain intelligence firm Chainalysis, up from $10 billion in 2020.
The real question is whether using crypto actually gives criminals a tracing advantage over cash. This case definitively answers that: it doesn’t.
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Crypto Laundering: What US and Bolivian Investigators Actually Found
Marset built a reputation as one of South America’s most elusive traffickers, evading capture through multiple identity changes and cross-border movements while allegedly running a cocaine network with continental reach.
In Paraguay, prosecutors named him as a central figure in A Ultranza Py, one of the country’s largest organised crime investigations, which targeted drug networks moving cocaine and laundering proceeds through front companies and real estate.
What made this latest investigation different was where the money trail led. Mirko Sokol, General Commander of the Bolivian Police, confirmed that intelligence showed Marset carried out transactions “primarily in cryptocurrencies, rather than in physical currency.” An unsealed indictment describes a system using “couriers and tokens to covertly deliver bulk illicit currency, typically in euros”, a hybrid model blending old-school cash smuggling with digital asset transfers.
Bolivia’s anti-drug czar, Ernesto Justiniano, told local media that investigators were tracking “money laundering, specifically, companies that have received funds via cryptocurrencies,” alongside probes into chemical diversion linked to drug production. The detail most headlines are missing: the crypto trail didn’t hide Marset’s network. It helped map it.
What Blockchain Transparency Actually Means, and Why Criminals Keep Forgetting It
Think of the Bitcoin blockchain as a permanent, public receipt book that records every single transaction ever made, and that nobody can erase. Every time Bitcoin moves from one wallet to another, that transfer is logged forever, visible to anyone with the right tools. Cash handed in an alley leaves no record. A Bitcoin transfer always does.
This is where blockchain analytics comes in. Firms like Chainalysis build software that reads that giant public receipt book and looks for patterns, the same way a forensic accountant might trace money through a web of shell companies, except the ledger is already public and the entries can’t be altered. When investigators suspect a wallet belongs to a criminal network, they can trace every coin that touched it, both backward and forward in time.
While Bitcoin gets a lot of attention, it hasn’t played the safe-haven role many expected. In my view, there are a few reasons why.
First, Bitcoin lacks privacy. Transactions can be monitored and potentially controlled, which is why central banks aren’t looking to hold it.… pic.twitter.com/j78NJdvrOw
— Ray Dalio (@RayDalio) May 11, 2026
The reason Bitcoin traceability catches criminals off guard is a widespread myth: that crypto equals anonymity. It doesn’t. Bitcoin is pseudonymous, meaning transactions are tied to wallet addresses rather than names, but wallet addresses can be linked to real identities the moment they touch a regulated exchange, a bank account, or even a known associate’s wallet.
That’s the trap. You can move Bitcoin through twenty wallets, but if even one of those wallets is ever connected to a KYC-verified exchange account, investigators can often work backward to find you. For a deeper look at how exchange compliance shapes this landscape, this piece on regulatory risks at crypto exchanges explains the mechanics well.
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