This serial number check can be done using a simple local database at the Resource (website). Things get a bit more complicated if there are many Resources (say different websites), and you want to prevent credential re-use across all of them. The typical solution outsources serial number checks to some centralized service (or bulletin board) so that a user can’t use the same credential across many different sites.
It doesn’t matter. MIM is a more fundamental concept, closer to Low-Level Design than to a high-level software development approach.
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Фото: Михаил Мордасов / РИА Новости
PIXELS_PROVISION_DEVTOOLS，详情可参考体育直播
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The blocks are linked together to create a history.