Through a series of sophisticated cyberattacks, North Korea has reportedly become the third-largest holder of Bitcoin globally, following the U.S. and the U.K. The regime's hacking group, Lazarus, has been implicated in significant cryptocurrency thefts, raising concerns about digital asset security and geopolitical implications.

Worldcoin, a blockchain-based digital identity and currency project, is under investigation by multiple countries for its collection of biometric data. Concerns regarding privacy and data protection have led to suspensions and inquiries in nations such as Kenya, Spain, and Portugal, highlighting the regulatory challenges facing blockchain initiatives.