There are many companies that interact with API services from other companies.
> * you want participation to be permissionless
Is this something CTO's are requesting?
> * It is also desirable if you think they could be hacked, or have downtime--ie, to remove the company as a single point of failure.
The blockchain can be hacked as well.
> * you want it outlive the life of the particular corporations involved.
The corporations are the ones who would be driving this.
There are many companies that interact with API services from other companies.
> * you want participation to be permissionless
Is this something CTO's are requesting?
> * It is also desirable if you think they could be hacked, or have downtime--ie, to remove the company as a single point of failure.
The blockchain can be hacked as well.
> * you want it outlive the life of the particular corporations involved.
The corporations are the ones who would be driving this.