There is a bubble in the world-rsquo;s most popular cryptocurrency even as the underlying technology holds promise for securing privacy and safeguarding security, according to Alibaba Group Holding executive chairman Jack Ma Yun.
-ldquo;There is no bubble for blockchain, but there's a bitcoin bubble,-rdquo; Ma said in a forum during the second World Intelligence Congress held in Tianjin on Wednesday.
A bubble is an economic cycle characterised by the rapid escalation of asset prices...