Grayscale Files with SEC for Polkadot and Cardano ETFs, Expanding Beyond Bitcoin and Ether

%Grayscale Investments has moved to expand its lineup of single-asset crypto funds, filing S-1 registration statements with the U. S. Securities and Exchange Commission (SEC) for exchange-traded funds source: http://www.yolowire.com/latestarticles/21287/grayscale-files-with-sec-for-polkadot-and-cardano-etfs-expanding-beyond-bitcoin-and-ether