(author here -- just saw this comment) If someone were to modify the code to not charge for the usage, that'd be a violation of the license. Sure, smaller viol

(author here -- just saw this comment) If someone were to modify the code to not charge for the usage, that'd be a violation of the license. Sure, smaller violations might not be, but any significant violation can be enforced. This is no different from how many projects mix their proprietary code with their open source code (SSPL, Elastic license). How the software charges for this is up to the author of the project. We used web3, you could use Stripe or anything else equally well. If you've further questions, please feel free to file an issue here: https://github.com/outcaste-io/sustainable-license https://github.com/outcaste-io/sustainable-license