Oracle has expanded its Oracle Cloud Platform to include blockchain services. The Blockchain Cloud Service allows users to leverage Blockchain technology to share data and conduct transactions. Adding Blockchain services to third party apps is simple through Oracle APIs and SDKs.
GraphQL is the alternative to REST APIs offered by Facebook. Developers using Coursera APIs enjoy the flexibility, type-safety and documentation that GraphQL brings. It wasn't always smooth sailing and Coursera's Bryan Kane describes the company's bumpy journey from REST to GraphQL.