Storj is an encrypted cryptocurrency-based file storage solution that stores files on a peer-to-peer network. Their goal is to leverage the benefits of blockchain to make online file storage more secure, faster, and cheaper. The network is powered by the Ethereum-based STORJ token.

MaidSafe wants to create a decentralized file storage and computing solution. Unlike some of their competitors in the blockchain storage sector, they have a grander vision that is somewhat less focused.
MaidSafe is an acronym for: Massive Array of Internet Disks, Secure Access for Everyone. The company hopes to solve the privacy and redundancy issues of centralized cloud storage providers with the help of blockchain technology. They also want to create a marketplace for computing resources, such as processing power.
The SAFE (Secure Access for Everyone) network hopes to provide a secure and autonomous cloud storage and computing solution. Files are encrypted locally. The data is then broken up an distributed across the network.
MaidSafeCoin is a token for the SafeCoin currency. These tokens were released during MaidSAfe’s crowdsale in 2014 and will be swapped for Safecoin at a 1:1 ratio when SafeCoin is released. MaidSafeCoin is listed on the bitcoin blockchain.