The billion coin(TBC) review (scam or legit?) The billion coin (TBC) is a cryptocurrency like bitcoin, but there are many differences between tbc and the other popular cryptocurrencies. TBC has it’s own structure and formula. It’s value according to it’s founders is ever increasing and never drops. This means that the price of tbc currently is the lowest it will ever be. The value of tbc tho depends on the number of users, also the value increases by 1-5% daily….