Does blockchain have any value if you trust all nodes?

Does blockchain have any value if you trust all nodes?

If we are designing a new project or application whatever it is, and you can trust all nodes, should we still consider blockchains in the architecture?

I saw this video of IBM and I was wondering why choosing blockchain as a solution

https://www.youtube.com/watch?v=tdhpYQCWnCw&lc=z23mitvo0ki5sgplm2hd0syvq1wb1yadphkj5vl0mj00u00c2.151904784581

Wouldn't regular database solve the problem either way?

Could somebody explain?

http://ift.tt/2Ft7Kot

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