Denmark is going to be the first one to ban cash transactions.
The government has already declared it as part of cost-saving measures. It is directed at taxes securing and preventing banks from complete collapse that is possible due to bank runs.
People should be ready that they won't be able to pay in cash in stores, restaurants and petrol stations within the territory of the country in the near future. There will be also considered some measures in order to prevent the capital flight from other countries. Otherwise, there may be a major capital disturbance unless all nations abolish cash simultaneously.
This appears to be the big issue that is likely to unfold with the ECM turning point at the end of September 2015.
Pravda.Ru has already reported on the economic totalitarian regime that will lead to the total control of money by the state. No ability to buy or sell anything without government approval will be provided.
Freedom of movement and travel will be restricted in Rome, if you owe money to the state.
The USA has already introduced passport revocation practice in case you owe the government more than $50,000.
Read article in Russian on the Russian version of Pravda.Ru
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This problem is not limited to the situation with the "whale prison" in Russia's Far East, because many people buy tickets to go to oceanariums and turn a blind eye to the problem