Regulation and taxation
The death of the crypto industry.
The annual G20 leaders' summit has delivered a tame set of resolutions regarding technology, with a 2027 target year for the implementation of a planned CryptoAsset Reporting Framework (CARF) the most impactful proposal as it is designed specifically to take into account the crypto sector's aim of providing an alternative to …
... to sort out international taxation of fiat currency and other assets. Taxing of crypto would just be a by-product. It shouldn't be that difficult* for the G20 to agree among themselves on asset reporting rules and a minimum tax, and introduce punitive levies for cross-border business with any country that does not do the same.
*If the political will were there. Unfortunately the political will of a country is very often dictated by the politicians' wealthy donors