How ZachXBT traced a $31M Bitcoin donation to a flagged wallet

From Silk Road to today, dormant wallets and mixing tools are no longer enough to hide illicit funds onchain, as ZachXBT’s investigations continue to prove.

In June 2025, Ross Ulbricht’s Bitcoin wallet received 300 BTC from unknown sources, sparking widespread curiosity about who sent them.

Ulbricht is the infamous founder of the Silk Road, an online black market platform. The darknet marketplace facilitated sales of over 9.5 million Bitcoin (BTC) while operational between 2011 and 2013. Following its shutdown by the FBI, Ulbricht was convicted and sentenced to two life sentences.

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