Because the base station knows all private seeds predeployed in each sensor node, it can check if these hash values are equal to the values it computes.
"It's better to place the order over the phone," the customer service representative said, "because I can check for availability now, but if you place the order on the site, it might take 24 to 48 hours for us to contact you about an out-of-stock item".
The consistency of the propositional calculus (its freedom from contradiction) is more or less obvious, because it can easily be checked that all its axioms are valid i.e., true in all possible worlds and that the rules of inference carry from valid sentences to valid sentences.
And because you're by now very, very curious about it, you can check out a preview below.
In a hyper-accountable system, written marking has become the big beast of feedback, in part because it can be easily checked.
You pay that rate whether the bag is 55 pounds or 69 pounds, so if you have a bag that's only slightly heavier, unpack a few heavy items, such as shoes, or bring a second bag because it can be cheaper to check two bags within the limits than one overweight bag.
"You're not going to see a penny of difference in prices across different sites because everybody can check".
And because they can check their toll payments online, businessmen do not need to save fistfuls of receipts for their expense reports.
While the anti-plagiarism sites do not have access to the databases of operations that sell term papers, they would be able to spot many commercial term papers because they can check databases that professors are starting to use to keep copies of term papers from past semesters.
Building this on a blockchain makes a ton of sense because everybody can check transactions on a blockchain.
