Disaster recovery may not be the most prominent use case for blockchain technology, but the idea of using it for data protection and recovery is beginning to gain traction
"Blockchain is probably best known for its use in the financial industry, especially with regard to cryptocurrencies. However, blockchain technology has a wide variety of potential uses, including disaster recovery.
Blockchain makes it possible to create timestamped, immutable ledger entries within a decentralized database. Each ledger entry has a cryptographic relationship to the entry that came before it and with the next ledger entry to be made. This cryptographic relationship prevents ledger entries from being tampered with..."