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Could you eaborate how any trust problem is solved here? Points 1 and two aren't solved in any way, as the buyer has to trust the producer to not lie when maki

Could you eaborate how any trust problem is solved here? Points 1 and two aren't solved in any way, as the buyer has to trust the producer to not lie when making the entry. In other words, the trust problem here occurs before entry into the database. Point 4 is already solved with by a multitude of companies selling those temperature-sensible stickers (and adding/removing the stickers is the same vulnerability as adding/removing the iot device). BTW, with a blockchain solution, these are not at all "impossible to alter". That would only be true for a blockchain that is actually decentralized and heavily mined. That implies a blockchain with a multitude of products using the same chain (e.g. not just an OliveOilChain), but then we approach the scaling border very fast, making a blockchain unusable for this use case.

noddy1 9y ago
"Points 1 and two aren't solved in any way, as the buyer has to trust the producer to not lie when making the entry. In other words, the trust problem here occurs before entry into the database." The blockchain will show in time that X producer sells X amount of extra virgin, virgin, and regular olive oil. This will make it difficult for a small single origin producer claiming that ALL of their output is extra virgin. It would also make it difficult for a small producer to rebrand large volumes of some other olive oil as their own. As for the temp-sensing stickers - add GPS, encryption and transmitting functions and you can add some cool features to temp sensing stickers. Finally- there isn't THAT much data involved here for the $$ involved, you could do it on the ethereum blockchain or even the litecoin chain. There are quite a number of ultrasecure blockchains at this point.
chrisallenlane 9y ago
> BTW, with a blockchain solution, these are not at all "impossible to alter". That would only be true for a blockchain that is actually decentralized and heavily mined. An excellent point. I wonder if a market will emerge from the need to secure (and thus mine) these private blockchains. IE, perhaps Walmart could secure its logistical blockchain by compensating miners in "WalmartCoin", which is redeemable at the store.

noddy1 9y ago

"Points 1 and two aren't solved in any way, as the buyer has to trust the producer to not lie when making the entry. In other words, the trust problem here occurs before entry into the database." The blockchain will show in time that X producer sells X amount of extra virgin, virgin, and regular olive oil. This will make it difficult for a small single origin producer claiming that ALL of their output is extra virgin. It would also make it difficult for a small producer to rebrand large volumes of some other olive oil as their own. As for the temp-sensing stickers - add GPS, encryption and transmitting functions and you can add some cool features to temp sensing stickers. Finally- there isn't THAT much data involved here for the $$ involved, you could do it on the ethereum blockchain or even the litecoin chain. There are quite a number of ultrasecure blockchains at this point.

chrisallenlane 9y ago

> BTW, with a blockchain solution, these are not at all "impossible to alter". That would only be true for a blockchain that is actually decentralized and heavily mined. An excellent point. I wonder if a market will emerge from the need to secure (and thus mine) these private blockchains. IE, perhaps Walmart could secure its logistical blockchain by compensating miners in "WalmartCoin", which is redeemable at the store.