Over the past few years, the blockchain technology has managed to come to various sectors of the economy, from healthcare to logistics. Despite the fact that large corporations still do not trust the technology of distributed registries, the latter is increasingly used to solve various problems. It is not surprising that technology giants such as IBM, Oracle, and Amazon, one after another, are beginning to offer the market their own developments in the blockchain area, allowing them to be used in real business. Analysts at CB Insights named 7 technology giants most actively involved in the development of corporate blockchain solutions.