How do I save a document in blockchain?

The most efficient method is to store a document’s hash on-chain while keeping the whole document elsewhere. The document could be stored in a centralized database or on a distributed file storage system. You would put the document through a secure hash algorithm like SHA-256 and then store the hash in a block.

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Is BigchainDB a blockchain?

BigchainDB is a blockchain database offering decentralization, immutability and native assets. BigchainDB allows for the deployment of large-scale applications in a variety of use cases and industries from intellectual property and identity to supply chain, and Internet-of-Things.

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