New Delhi, Aug. 8 -- A software flaw in a Bitcoin wallet that was considered extremely secure has left thousands of investors counting losses. More than 1,755 Bitcoin, worth around $110 million, were stolen from wallets using Canada-based Coinkite's Coldcard devices, raising fresh concerns about how safe crypto wallets really are.

"The moment it loaded I knew I was screwed because I saw red lines for withdrawals," Jonathan Goodman, one of the victims, told Bloomberg News. "Between 9:36 and 9:43 p.m. on July 29th, all three of my wallets were completely drained."

Goodman says he lost $1.6 million due to the attack.

The incident has raised fresh questions about the safety of crypto wallets. Zakhil Suresh, CEO of BitSave asserts, "The peo...