More recently, the issue has been discussed in the G-20 meeting and in the latest communiqué of Finance Ministers and Central Bank Governors (Buenos Aires 19-20 March 2018) where it was stated that crypto-assets lack the key attributes of sovereign currencies, although at some point they could have financial stability implications. So, in the current state, digital currencies leave monetary transmission mechanisms largely unaffected.
2/6  BIS central bankers' speeches  However, it is almost a cliché to say that the only certainty about the future of cryptocurrencies is uncertainty. Risks to financial stability may eventually emerge since the impact of the digital currencies on the monetary transmission mechanism ultimately depends on whether firms and households broadly accept them.