Antshaw claims that there are many problems with cryptocurances, especially about the safety of customer rights.

Kazakhstan prepares to ban encryption and mining, says central bank
Daniyar Akishev
He said that his intention was to "reduce the risk associated with the domestic market", but to ensure that no central bank has all the features to manage this [cryptokosurges] market in this frontline market, SOURCE https://news.bitcoin.com/kazakhstan-preparing-prohibit-crypto-trading-mining-central-bank/