It's a common misconception to think that a company owns the blockchain. Blockchain technology is decentralized and distributed, meaning that it is not controlled by any single entity. Rather, it is maintained by a network of computers, or nodes, that are connected to the blockchain and work together to validate transactions and keep the ledger updated. Therefore, it's more accurate to say that the blockchain is owned and maintained by the community of users and developers who contribute to its growth and development. However, some companies have developed their own proprietary blockchains, which they use for specific purposes, but these are still decentralized and not owned by a single company.