Kevin Lee, co-CEO and co-founder of IT security firm Keypair, speaks during an interview with The Korea Times at the firm's office in Gangnam, southern Seoul, Wednesday. / Courtesy of Keypair



By Jun Ji-hye



While news about cyber attacks targeting cryptocurrency exchanges are making headlines day after day, demand for "cold wallet" systems has been rising to ensure safe virtual currency transactions.





Keypair's card-type cold wallet, "Key Wallet Touch," which can be connected to mobile phones via near field communications / Courtesy of Keypair