Even with a “new type of blockchain” (whatever that means), “permanent” isn’t something I’d trust a startup with. Even “lifetime” deals from profitable established companies tend to run into horrible problems a few decades later [1], when unexpected trends appear. Average company lifespan is now in a low number of decades [2], and startups tend to be at the lower end of that curve just by the nature of being more experimental.
1 - https://thehustle.co/aairpass-american-airlines-250k-lifetim...
2 - https://www.cnbc.com/2017/08/24/technology-killing-off-corpo...