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They probably just generate a GIF with your beta code, that you enter in your apps. The apps then check against Dropbox's servers whether the code is correct or
by Artemis2 12y ago
They probably just generate a GIF with your beta code, that you enter in your apps. The apps then check against Dropbox's servers whether the code is correct or not, using a hardware ID (HWID) to restrict codes to a single device. Probably nothing outstanding apart from the branding ("betacoin").
Dropbox engineers on HN, correct me if I'm wrong.
- BillinghamJ 12y agoMore specifically, the GIF contains the activation code in its comments section: http://www.velvetcache.org/2014/08/20/custom-mailbox-betacoins http://www.velvetcache.org/2014/08/20/custom-mailbox-betacoi... I don't believe any hardware IDs are used. The codes are one-time use only, and your Dropbox/Mailbox account is activated with it. Once your account is enabled, you can use the beta on multiple computers.