Google Sheets as a Sidechain! Send Sheetcoin with an Email and Google OAuth (plus a "trusleash" Ethereum bridge)
Imagine scalable transactions with full privacy: enter scalable decentralized arbitrary computations with zk-SNARKs on Plasma. ZEXE on Plasma allows to build scalable private DEX and much more.
A SNARK rollup for non-fungible tokens. We'll enable crowd-funding of movies by turning the film's frames into collectibles.