To eliminate the early exercise risk ..what about doing this only on Cash settled European style Option! that would restrict the choices though ! like SPX index options!
In LOL It is a dangerous fashion to labels thigs quickly under the buzzword "Fintech" and "or millenniums need it" etc many so called Tech entrepreneurs forget that they are playing with peoples money ... for example one Australian Managed Retirement fund start up! marketed itself simply on the fact that "how cool and sexy the on boarding process was" in in doing so eager youngsters forgot to check that this fintech wiz was charging more than industry std entry management fees and that too for simply bundling few ETf together ...WTF! https://www.afr.com/wealth/superann...nd-misleading-conduct-by-asic-20180410-h0yk22