Thieves behind $1.5 billion crypto hack unmasked

According to the FBI, the hackers behind the Bybit hack of $1.5 billion in the Ethereum software token are linked to North Korea. Crypto sleuths have been following the money ever since it was taken, which is a complicated, but enlightening, process of analysis. Andrew Fierman, who is Chainalysis's Head of National Security Intelligence explains how the detective work is done and what such an enormous theft means.