Their Crypto Company Collapsed. They Went to Bali.

Mr. Zhu said he was tuning out the criticism. On Twitter, he responded to a

in The Wall Street Journal by quoting John F. Kennedy: “We choose to go to the moon in this decade and do the other things not because they are easy, but because they are hard.”

“I’ve already created 75 jobs,” he said over dinner in Singapore. “At least these people like me.”

This month, Open Exchange unveiled its own cryptocurrency,…