Cryptography is the practice of using mathematical algorithms to secure communications and protect information. Cryptography is used in many applications, such as online banking, secure messaging, and digital signatures. Popular cryptographic algorithms include RSA, AES, and SHA. Learn about our services Continuous integration (CI) is a software development practice where developers frequently merge their code changes into a central repository, which is automatically built and tested. CI can help to detect and fix bugs early in the development process. Popular CI platforms include Jenkins, Travis CI, and CircleCI.