Purpose – This paper aims to explore the challenge posed by Bitcoin to regulators, particularly anti-money laundering … regulators. Bitcoin is a crypto-currency based on open-source software and protocols that operates in peer-to-peer networks as a … regulators. Findings – Bitcoin is based on complex computer code supported by a robust community in a peer-to-peer network …

Bitcoin before and during the COVID-19 pandemic. Results showed that TMU is a leading indicator of Bitcoin returns only during … the pandemic, and the effect of the TMU on Bitcoin's conditional volatility is significantly greater during the pandemic …. Furthermore, during the pandemic, the uncertainty content of people's tweets is impacted by the highly salient Bitcoin market …