The Portuguese tax authority (AT) and 47 other tax authorities have committed to implementing the automatic exchange of information about cryptocurrencies starting in 2027. This will allow tax authorities to identify the income of taxpayers from these operations. See the list of 48 countries and territories.

Countries:

South Africa Germany Armenia Australia Austria Barbados Belgium Belize Brazil Bulgaria Canada Chile Cyprus Korea Croatia Denmark Slovakia Slovenia Spain United States Estonia Finland France Greece Netherlands Hungary Ireland Iceland Italy Japan Liechtenstein Lithuania Luxembourg Malta Mexico Norway Portugal United Kingdom Czech Republic Romania Singapore Sweden Switzerland

Territories:

Gibraltar Guernsey Isle of Man Cayman Islands Jersey