Still not sure whether India will apply the FATF standards, there is no clarity on how the government will view the market, there are contradicting news coming out on a daily basis on how they plan to move ahead and it is not a good sign for any business owners to have a volatile situation, if they implement the FATF standard then the draft about sending people to jail for merely holding crypto asset will be a joke. Lets see how these drama unfolds and i really care less about the status in India at this moment
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I don't think that accepting FATF standards will necessarily "contradict" what the Indian government will do in their quest of trying to stop the crypto industry altogether, which they are attempting to do by cutting off any connection of the crypto industry to the traditional banking system through RBI restrictions.
My understranding (correct me if I'm wrong) is that these G20 regulations, if they are passed, are simply a set of minimums that countries have to abide by when it comes to KYC/AML etc.
So in that sense, it is certainly not a mutually exclusive event that a country may on paper accept G20 regulations, but in turn tighten their own regulations so much to the point that they cripple the entire bitcoin business sector within their country altogether. Essentially, that's the goal that the Indian government is aiming for, bar a sudden change of heart in the court hearing (which I doubt will be the case).