I have to say-I'm for the blockchain technology, but in this article we will consider the pitfalls of this technology and then I will take the opposite position. Society needs predictable events in advance so that they are not sudden and do not fall like a lump on the head. So, 1) Some shortcomings of modern money are removed, and some on the contrary are gaining strength. 2) All totalitarian regimes of the first to promote the idea of liberty, not whether we are instead enslaved, in a sense, using blockchain technology? 3) those who were rich can become even richer and those who were poor can become even poorer. 4) are there now people who are fully living at the expense of blockchain technology without capital investments? I mean ordinary workers, not developers. No. 5) is it Possible to come to a regular store with an e-wallet and buy, for example, food? Not everywhere yet. 6) to use the network need computers (electronic devices), certainly there are situations where there is no access to the computer. 7) And the collection of taxes? For the functioning of the state it is necessary to collect a lot of taxes the more, the better. 8) and anti – terrorist security-because on the basis of blockchain technology can be financed by the mafia, and cartels, and terrorists. 9) Are there programs to help poor, disabled people based on blockchain? Can be a very poor man to provide a certificate in the electronic form and upload coins to pay for food and shelter? Even an ordinary pie in his situation will save him. This issue should be considered. 10) Maybe with the advent of quantum computers cryptographic algorithm will be deciphered and then what? 11) Finally we give an example with electricity... It is everywhere, and it got used very much. And if suddenly (for some reason) to remove it (accident, accident) we survive? We'll live, but it'll hurt.
I am waiting for your suggestions about possible pitfalls of blockchain technology and ways to eliminate them in the near future.