Bitcoin

Coldcard wallet developers issued an urgent warning Tuesday telling users to move their bitcoin immediately as an active exploit continues to drain funds from self-custodied wallets.

A bitcoin wallet dormant since 2013 moved $31 million on Monday, joining a wave of long-inactive coins shifting in the wake of the Coldcard hardware wallet hack.

Jim Cramer, the host of CNBC's 'Mad Money,' has announced he plans to sell all of his bitcoin holdings, citing fears that quantum computing could undermine cryptocurrency security within three to four years.

Bhutan's Gelephu Mindfulness City (GMC) has hired Toronto-based 3iQ Corp.

Bitcoin held near $63,600 on Monday as the United States and Japan jointly intervened to support the yen, a rare move that revived concerns over carry-trade unwinds in global markets.