Will the tokens of the premium accounts holders be blocked ?
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According to the WP - tokens of team and finders will be frozen for 2 years. The rest no
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so, What makes you confident that the owners of premium accounts will not sell their balance of tokens? especially if the price of w12 token has increased significantly?
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Typically premium accounts get people who are interested in long term investments. It make no sence for them to get rid of tokens on a lower price then they can bring afterward + possibility of getting tokens by security model can bring x87 investments instead of just tokens' sale income
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what is the minimum purchase which makes me one of the premium accounts owners ?
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It depends what type of premium account you will chooce)
However the detailed info on each of the accounts you can check on our website - w12.io