If the country is restricted from gambling and we are using VPN then it's direct violation of the rule according to me and team can restrict you from withdrawing funds even after KYC submission.You have to abide by the rules and if they found out something apart from it then you can't do much in that case.
Not really, if you came from regulated territories you can use VPN if those countries's ISP restrict your regions. But you need to get approved by NetEnt first before gamble in Duelbits. I already see some people gambling using VPN and there's nothing wrong to them as long as they're not hide anything.
Note: I think duebits still not updated their TOS to recent event where Russian citizens get restricted in any website.
Banned and Restricted Regions
Banned Regions
People living or having a permanent or temporary residence in any of these countries are not entitled to register an Account onduelbits.com or use any of the Service on duelbits.com.
Aruba, Austria, Bonaire, Curaçao, France, Netherlands, Australia, UK, Spain, Saba, Statia, St Martin, USA, or any other jurisdiction that the Central Government of Curaçao (formerly the Netherlands Antilles) deems online gambling illegal or are blacklisted.
Residents from the aforementioned territories are prohibited from opening an Account or in any way use or access the Gaming Services or any other Services offered by the Company.
Netent Restricted Regions
A. Blacklisted Territories
Afghanistan; Albania; Algeria; Angola; Australia; Cambodia; Ecuador; Guyana; Hong Kong; Indonesia; Iran; Iraq; Israel; Kuwait; Lao; Myanmar; Namibia; Nicaragua; North Korea; Pakistan; Panama; Papua New Guinea; Philippines; Singapore; South Korea; Sudan; Syria; Taiwan; Uganda; Yemen; Zimbabwe.
B. Regulated Territories
Only permitted if receipt of a license from local regulator has been seen and approved by NetEnt
Belgium, Bulgaria, Czech Republic, Denmark, Estonia, France, Italy, Latvia, Lithuania, Mexico, Portugal, Romania, Serbia, Spain, Sweden, Switzerland, United States of America, United Kingdom.