The price hit an unprecedented US$3,108, three times the US$985 it was worth early this year.
SERDANG: Following the recent ''WannaCry'' ransomware cyber attack, which blackmailed computer users worldwide, those dealing in digital currencies such as Bitcoin need to be more vigilant and keep their accounts secure.
Network security expert Assoc Prof Dr Zuriati Ahmad Zukarnain said although Bitcoin operates using two key types - public and private - to make transactions, the private key could be hacked by third parties using highly capable quantum computers.
