I think the difference is that Ascribe doesn't have a token, so payment doesn't take place on the platform. Ascribe is merely a registry & they are building tech that will scan the internet checking for unauthorized copies of work. I think the scanning ability is very powerful, but that's totally outside of blockchain! I think the value of KodakCoin is the payment mechanism, which in theory will be decentralized i.e. replace Paypal. I'm still trying to wrap my head around the benefits. Bottom line though, everyone knows Kodak and no one knows Ascribe, so I can see how Ascribe would be a good acquisition target for Kodak down the line!
Please challenge me!