"ChainAnchor has been developed for permissioned / private blockchains, and not for the bitcoin blockchain." and the website that only has a small blurb... and

"ChainAnchor has been developed for permissioned / private blockchains, and not for the bitcoin blockchain." and the website that only has a small blurb... and the latest draft of their paper on the topic? it seems somewhat absurd to forget to mention that, like as if they were trying to hide the paper or something