If more and more people are using bitcoin, then bitcoin should have a future. Improving the quality of bitcoin itself is also indispensable to attract people to use bitcoin as a practical and easy virtual money exchange tool
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Usage of something don't define its future. Its the quality of service it provides. As we can see blockchain have around 170k unconfirmed transactions it is more stressful when our money is stucked in nowhere and we don't have any eta.