THE BLOCK: tZERO and Intercontinental Exchange have agreed to collaborate on infrastructure for tokenized securities markets, with tZERO serving as a design partner for ICE’s upcoming NYSE-affiliated tokenized securities platform. ICE will also invest in tZERO’s latest financing round and license its blockchain patent portfolio and the firms will explore using tZERO’s tokenized assets for collateral management at ICE clearing houses and other affiliates.(The Block)