They are not completely anonymous and can therefore be traced by the tax authorities.
Do you have Bitcoin, Ripple, Ethereum or Litecoin? If so, you have to declare the value of these currencies in your Box 3 capital on 1 January. Many people think that these currencies are anonymous and therefore untraceable.
According to crypto currency.comA leading website on crypto currencies, Bitcoins etc. are not completely anonymous at all. In addition, you must always declare all your receivables and cash and other assets in Box 3, even if they are not directly visible to others.
Do you have a wallet in which you have stored your crypto currency? If so, report the value as of January 1, 2017 in your 2017 income tax return.
However, due to the sometimes difficult marketability, you may be able to record a lower value than the price applicable on 1 January 2017.
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