Plan includes penalties for noncompliance, rooting out of foreign investors and minors, but no trading ban in the short term.
Ripple chief says technology can speed up cross-border transactions from days to second, save banks trillions in collateral held against settlement risks.
The SEC says fraud and money laundering not points of concern as CBOE and CME markets are properly supervised.
Korea carries out bank inspections, China power cut on Bitcoin miners, Japan scrutinises banks' cryptocurrency activities.
Exchanges to be recognised by central bank once regulations are in place; draft guidelines on reporting obligations to come into force early 2018.
Traders can only use real names to open cyptocurrency accounts, must be authenticated by banks under state regulatory jurisdiction.
Central bank to regulate virtual currencies for remittance, payments; not yet ready to endorse bitcoin as a currency.