Business

Three out of four bitcoin investors have lost money: study

Roughly three-quarters of people who have bought bitcoin have lost money according to a study published Monday as the cryptocurrency sector reels from the collapse of a major exchange that has sapped confidence.

Business

Twitter turmoil, staff exodus aggravate security concerns

Twitter's owner Elon Musk has pledged the platform will not become a "hellscape," but experts fear a staff exodus following mass layoffs may have devastated its ability to combat misinformation, impersonation and data theft.

Internet

Twitter scrambles to curb spread of fake accounts

Twitter moved on Friday to curb fake accounts that have proliferated since Elon Musk's takeover, suspending sign-ups for a new paid checkmark system and reinstating a gray "official" badge on some accounts.