Why top CBA executive switched to blockchain start-up

Australia's under-pressure Commonwealth Bank is searching for a new chief financial officer, after its incumbent quit to join a cryptocurrency start-up.

Rob Jesudason will return to Hong Kong to become group president and chief operating officer at Block.one, which publishes blockchain software EOSIO and sells EOS, a cryptocurrency it says is one of the world's top five by market cap, at $12.4 billion.

For Jesudason, it's a return to Asia less than a year after he left his role as Hong Kong-based group executive for international financial services to take over...