Like physics, math has its own set of “fundamental particles”—the prime numbers, which can’t be broken down into smaller ...

A white hat hacker recovered 80% of the $2.26 million stolen from Foom Cash during last week’s exploit, illustrating the growing importance of ethical hackers in the blockchain space.

His co-defendants have yet to stand trial and maintain their innocence. One, Gabby Ben, has twice been convicted of fraud and is alleged to have ties to Israeli organized crime. At a bail hearing in ...