K Cube Ventures, an early stage investment firm in Seoul, announced today that they have invested about $200K in Bitcoin startup ‘Devign Lab’. Devign Lab has developed a bitcoin market called Coinone. Devign Lab claims to be the first web based home trading system (HTS) in South Korea and aims to provide up to date bidding/contract information for users. Their one click payment system ‘Coinpay’ provides payment services with a 0% transaction fee. Their mobile application is currently in…