<div dir="ltr">John, sorry for a stupid question (I'm an economist...), but this is really interesting since high costs are a non-starter for large parts of the food chain. What should we use in order to identify and track food objects that is open, cheap/free and secure?<div><br></div><div>Best</div><div><br></div><div>Johan </div></div><br><div class="gmail_quote"><div dir="ltr">On Sat, Sep 29, 2018 at 7:58 PM John Levine <<a href="mailto:isocmember@johnlevine.com">isocmember@johnlevine.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">In article <CAKJSUiw5HbV_Tgi3Nm=<a href="mailto:qkusVQX%2BxHtmMS7-6BzhQOR7keUXo1g@mail.gmail.com" target="_blank">qkusVQX+xHtmMS7-6BzhQOR7keUXo1g@mail.gmail.com</a>> you write:<br>
>security/reliability concern is not in the internal mechanism of the<br>
>blockchain, but in the moving parts that communicate with it and that in<br>
>some cases require entering external data via *oracles*.<br>
<br>
If you have to trust the oracles anyway, why not just let them run a<br>
conventional database? It's a lot more efficient.<br>
<br>
If as Richard suggested you want to see the sequence of transactions,<br>
you can publish the sequence without needing the expensive blockchain<br>
style updates.<br>
<br>
R's,<br>
John<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Johan Jorgensen<br><a href="mailto:johan.jorgensen@gmail.com" target="_blank">johan.jorgensen@gmail.com</a><br>+46 735 200 633</div><div><span style="font-size:small"><a href="http://www.swedenfoodtech.com" target="_blank">www.swedenfoodtech.com</a></span></div><div><a href="http://www.foodtechvillage.com" target="_blank">www.foodtechvillage.com</a></div><div><a href="http://www.smakapastockholm.se" target="_blank">www.smakapastockholm.se</a></div><div><a href="http://www.linkedin.com/in/johanjorgensen" target="_blank">www.linkedin.com/in/johanjorgensen</a><br></div><div><a href="http://www.internet-of-food.org" target="_blank">www.internet-of-food.org</a></div><div><a href="http://www.fundedbyme.com" style="font-size:small" target="_blank">www.fundedbyme.com</a><br></div><div><a href="http://www.swedendemoday.com" target="_blank">www.swedendemoday.com</a></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>