Bitcoin is always better than cash.For our bitcoin earnings,we are not accountable to government and we need not have to pay taxes unless it is legalized in the particular country.With bitcoin,we could easily send huge amounts of money with very low fee at high speed.With bitcoin,our money value increases,but with cash,our money just remains idle.
And even if you are traveling overseas then there is a limit to carry certain amount of cash and there is always a risk of loosing money or getting stolen or robbed but you can carry any amount of bitcoins in your bitcoin wallet and no one will come to know how higher amount of money you are carrying with you.
Bitcoin is created with the bound to experience development and growth . And as a part of technology we can deal with more Innovation in terms of the ways of transaction. You are actually right that bitcoin is a form of crypto-currency that could be used in a cashless form of transaction for a source and faster transaction. It could also give people a chance to invest, trade or transact with the used of the technology or the internet.