Bitcoin crushed by US dollar urfinguss "We are not anywhere near done until the number one coin is a stablecoin," Emin Gün Sirer, CEO of Ava Labs, told Insider. Stablecoins have an advantage because they can be tied to assets like the dollar, which makes them less volatile. But stablecoins face questions from regulators about the quality of their reserves and transparency. Sign up here for our daily newsletter, 10 Things Before the Opening Bell. Emin Gün Sirer, the CEO of Ava Labs, believes the first sign of mainstream success for crypto will be when a stablecoin overtakes bitcoin to become the leading digital currency.