One company applying the immutability of the blockchain to cloud storage is Storj, a decentralised, end-to-end encrypted cloud storage system.
As with SAFE, data is chopped into chunks, encrypted and distributed across a number of machines.
Storj is headquartered in Georgia in the US, and uses blockchain features like a transaction ledger, public/private key encryption and cryptographic hash functions for security.
Unlike many of the upcoming decentralised organisations, Storj already has a commercial offering. You can store files on the Storj network for the princely sum of $0.015 per gigabyte per month.
CEO Shawn Wilkinson has said that he's keen to link up and form technology alliances with other decentralised platforms and currencies, including Counterparty, MasterCoin, Ethereum and MaidSafe.
"The idea is that you have a file, and you take that metadata, encrypt it and split it into chunks through the network, and you take that metadata and store it on the blockchain so all the other applications can access that file if they have the relevant data and keys," he explained.
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