They pointed to the use of apps such as China-based Alipay and Russia-based Qiwi as a growing problem and a national security threat.

Lawmakers want to know how to crack down on the monetization of stolen data.

While the world paid attention to the James Comey hearing, an interesting fact was unearthed: the missing Mt. Gox bitcoins may have been located. Only those in the know won't say where they are.