Quantum cryptography is a branch of cryptography that uses quantum mechanics to secure communications. Quantum cryptography has the potential to provide unbreakable encryption, by using the properties of quantum particles to detect eavesdropping attempts. Popular quantum cryptography platforms include QKD systems from ID Quantique, Toshiba, and QuintessenceLabs. Check our reviews Big data refers to the vast amounts of data that are generated by businesses and other organizations, often at high velocity and with a variety of formats. Big data technologies are used to store, process, and analyze this data in order to extract insights and make better decisions. Popular big data platforms include Hadoop, Spark, and Cassandra.