Cardano's ADA token surges after Grayscale Investments applied for the first-ever spot ADA ETF in the U.S. Plus, Fed Chair Jerome Powell gives his semi-annual update on monetary policy on Capitol Hill ...

On today's episode of CNBC Crypto World, bitcoin dips while Cardano's ADA token spikes after Grayscale proposes an ETF backed by the cryptocurrency. Plus, an Alabama man pleads guilty to hacking the ...