There are a couple of helpful links that might help you understand some technical components of the iSHARE Scheme. We will list them here. If you have any additional links that helped you understand some technical topic, please feel free to share it with the community here! 
Understanding JSON Web Tokens:
- RFC 7515, explaining JSON Web Signature
- RFC 7519, explaining JSON Web Tokens
- JWT.io, which helps with decoding and encoding JWTs online and provides many libraries in different programming languages to help with generating JWTs
Understanding OAuth 2.0
- RFC 6749, explaining the OAuth 2.0 Authorization Framework
- OAuth 2.0, the standard that is used in iSHARE to authenticate
- iSHARE generic authentication flow, our documentation on the generic flow used in iSHARE