At this moment our best Forex broker in Liechtenstein is: Eightcap. If you are browsing for an alternative to Nadex you should start there. To each of the top brokers available for you, see our list: Forex Trading Liechtenstein. If you wish to visit Nadex anyway, www.nadex.com is their website.
Get the full details here: Is online Forex trading legal in Liechtenstein?