The article doesn't really say much but it would be good news if it really happened.
Japan Explores Crypto ETFs After Snubbing Futures
https://www.bloomberg.com/news/articles/2019-01-07/japan-is-said-to-explore-crypto-etfs-after-snubbing-futures?srnd=technology-vp
"The Financial Services Agency is currently gauging industry interest in ETFs tracking digital currencies, according to a person familiar with the agency’s thinking who requested anonymity discussing private plans.
...
Japan’s ETF market is worth $335 billion (with about 75 percent owned by the central bank). That’s a fraction of the $3.7 trillion worth of ETFs outstanding in the U.S."