Unverified users of the cryptocurrency exchange Poloniex yesterday complaining about freezing of accounts. The alleged crash was preceded by the introduction of a new mechanism for confirmation of identity.

In social networks users say that, even though the successful completion of verification procedures and output a corresponding system message, previously working accounts remain blocked.

Problems that Poloniex has not commented on directly, appeared on the same day, when the owners of the accounts the exchange has received notification of the need to tie their accounts to personal data.

“We ask all clients Poloniex, which previously did not provide full necessary for verification of information, to make these data in their personal accounts on Poloniex. On this page you will find a description of the required information. As soon as you send this info we will check it and restore the trading functions of your account,” reads the notice.

While the official reaction Poloniex applies only to “questions about the recent updates of the processes of registration and confirmation [account]”:

Similar measures were taken by another exchange Bitfinex (binding the identity of taxpayers), as well as a small p2p platform Localbitcoins (providing passport details when trading large amounts of BTC).

The procedure of compulsory identification appeared on Poloniex at the end of December last year as a result of the updated legislation of the United States.

In February Poloniex acquired company Circle. According to Coinmarketcap, today it is 25 in the world of crypto currency exchange by trading volume.