Here's the description: The answer is: yes, you can buy booze with a JSON web token! Join Rizel's talk to learn how mobile driver's license apps leverage a special JSON Web Token and W3C standard called Verifiable Credentials to digitally prove to both the vendor and the delivery company that a buyer is of legal drinking age.

"Tell me a design pattern and explain how it works" is one of the main questions in a technical job interview.

In this session, you will add one more skill to your arsenal: a new design pattern, the Publisher/Subscriber, or PubSub for those more familiar.

Easy, intuitive, and extremely important for projects that involve real-time collaboration.

What is Kafka, and why do we care? I'll go over the fundamentals: the how, why, and when to use Kafka. Then we'll get into some code and learn how to send and receive messages to Kafka topics using a JavaScript client.