TechnologyQ-Day could destroy bitcoin – and our retirement savings Even if you’ve never bought any cryptocurrency, like columnist Karmela Padavic-Callaghan, your money may be affected by bitcoin’s fate – which is uncertain, as quantum computing advances are threatening to make the encryption protecting it useless Comment
TechnologyEthereum closed a big security hole with its energy-saving update At least one cryptocurrency based on the old version of Ethereum is still vulnerable to a software flaw that enables attackers to steal funds ¿ìè¶ÌÊÓÆµ