She points out that blockchain-based tracking of a food at each point in the supply chain might be feasible for a product like South American bananas, but isn't feasible for a lasagne containing 50 ingredients from all over the world.
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。同城约会是该领域的重要参考
（二）冒用或者未授权使用、关联使用党政机关、企事业单位等组织机构或者社会知名人士的名义，可能对公众造成欺骗或者误导的；
This makes sense. These keys were designed as project identifiers for billing, and can be further restricted with (bypassable) controls like HTTP referer allow-listing. They were not designed as authentication credentials.