“…Recently, more attention has been paid to exogenous determinants of Bitcoin, including economic policy uncertainty (32), global geopolitical risks (33), investor sentiment (18,60), macroeconomic conditions (55), and the financial market (34, 55). Notably, a growing body of literature has explored the impact of investor attention on Bitcoin returns and volatility (12,30,39,(61)(62)(63). For example, Samles (12) suggested that increased investor attention is related to higher returns, more volatility, and larger illiquidity in the Bitcoin market.…”