New regulations include changes in permissible actions against trading rights certificate holders.
Regulator is also considering possibility of individual fault despite forensic audit conclusions.
Move aims to enhance security of trading in virtual currency after recent volatility.
Korea Exchange also planning to use blockchain technology in OTC trading.
INX features equity, currency and commodities derivatives; trade starts 16 January.
Draft rules aim to boost securities sector amidst low trading volumes, stiff competition.
Changes include refined non-retail investor classification, safeguards unconventional investment products.
Move aims to further explore technology applications, enhance trading efficiency.
Central bank reminds institutions bitcoin is not legal tender.
Mechanism said to allow larger trading volumes and reduce price volatility.