Many social networks and even Google, the king of ads, have already banned cryptocurrency ads for various reasons. Michael Allison's article about Facebook banning the ads states the reason behind the ban as a deterrent of possible fraud and deception of users of their website.Twitter plans to ban some cryptocurrency ads on the website within the next 30 days. This comes soon after CEO Jack Dorsey stated in an interview he believes that Bitcoin will become the "single currency" of the world within the next 10 years.Twitter has confirmed to The Verge that the social network will ban ads that regard cryptocurrencies whether it be for cryptocurrency token sales or Initial Coin Offerings, a crowd-sale where startups will sell investors digital currency in exchange for funds to help back their cryptocurrency.The Twitter ban will also ban ads for cryptocurrency exchanges, a place where virtual currencies can be bought, sold and exchanged. This was reported by the Financial Times, thi...