This video explains what is JSON web keys and how we can use it resolve keys in java object as well as hosted remote server for verification of signature and decrypting JWT content.
This video explains what is nested JWT token and how we can sign and encrypt JWT token.
This video explains about JSON web encryption[JWE] and how to encrypt the JWT token
This video gives what is JSON web signature[JWS] and how to sign JWT token
This video gives introduction about JWT and its related specifications with example.