According to Crypto.Watch reported on June 11, Sony Music Entertainment will use Amazon Managed Blockchain as the music copyright information processing system infrastructure. Note: On May 1st, Amazon announced the official launch of Amazon Managed Blockchain. This is a fully managed service that makes it easy to create and manage scalable blockchain networks. According to reports, the Amazon management blockchain service can be used immediately in the eastern United States and will be extended to other regions next year. Companies using Amazon Managed Blockchain include ATT, Nestlé and the Singapore Stock Exchange.