Japanese representatives will push for the adoption of global rules on cryptocurrencies at the upcoming G20 meeting in Argentina. Next week, the summit will gather finance ministers and central bankers in Buenos Aires. Other countries also want to put crypto matters on the table, with signals coming from key members of the European Union.
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https://news.bitcoin.com/japan-to-call-for-crypto-rules-at-the-g20-summit/The probability of this meeting will be the centralization of the crypto currency which will affect the anonymity and the volatility of it. This will be a bad omen for us because government will most probably want to control the flow of cryptocurrencies.
They cannot change what has been done bro and unless they start giving us the crap that all protocols of all the available market to be changed to become a centralized market, otherwise face the consequences, then I see no other way what you have said can play out which what I have said is not even going to be possible.
I am sure what is going to happen is just putting in place some regulations for ICOs, exchanges and some other stuffs but not changing the idea of decentralization.