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One of the most interesting paragraphs on the article:
"Drawing on the model described by Lessig in Code, the authors point out law is not the only tool to regulate blockchains. Governments can also employ more subtle tools, like market operations or social norms, to shape the direction of the technology. For instance, they could participate in mining operations on blockchain networks, like bitcoin, in order to control prices and vote on coding decisions."I think they are already taking this path, in order to have enough crypto coins to maintain some control over the market. Besides, mining or acquiring coins is not the only way. For instance, in Russia, there's a new law regarding exchanges so all of them must ask for personal data to their users and provide the data to the government if asked.
There are many ways to control the blockchain-based "money" from governments. Maybe it is quite difficult to control the bitcoin technology, but they can control all the other necessary tech to have and use this coin, as exchanges or wallets. If you don't have a decentralized exchanger, then you are not using a decentralized coin in a decentralized way. That's the hand they're playing, I'm afraid.
Even so, new exchanges will be appearing, but they will be probably considered illegal, so the risk of having your coins in there is going to begin to be too high, due to the possibility of them being closed or banned. Nevertheless, this is going to take time for the governments to agree in one action.
Good debate, people. I think this is a book we should read...