This sounds similar to Pando [1], which is doing income pooling for professional baseball players [2]:
"Nobody has to pay a cent until they've made it to the majors and they've made $1.6 million. Then that guy has to kick 10% of his salary back to his pool mates."
I'm not a poker player, but today a friend analogized SIDE POTS; opt-in diversification with 3 more opportunities per hand. De-risks every player participating in the side pot.
We believe this scales beyond startup founders to education, athletics, and any domain where the outcome distributions follow some kind of power laws