[Chapter-delegates] Blockchain and Food Tracability

[John Levine]

In article <CAKJSUiw5HbV_Tgi3Nm=qkusVQX+xHtmMS7-6BzhQOR7keUXo1g at mail.gmail.com> you write:
>security/reliability concern is not in the internal mechanism of the
>blockchain, but in the moving parts that communicate with it and that in
>some cases require entering external data via *oracles*.

If you have to trust the oracles anyway, why not just let them run a
conventional database?  It's a lot more efficient.

If as Richard suggested you want to see the sequence of transactions,
you can publish the sequence without needing the expensive blockchain
style updates.

R's,
John