Hackers vs. Hackers: Chasing Cryptocurrency Thieves

Just over a month has passed since hackers stole 530 million-dollars' worth of virtual currency in the biggest-ever such theft. "White hat" hackers are now hot on the trail of the thieves. What it's like to chase criminals in cyberspace? We report on this challenging cyberchase and discuss cryptocurrency security with an expert. Guest: Masanori Kusunoki (CTO, Japan Digital Design)