1. IPFS: a peer-to-peer hypermedia protocol designed to make the web faster, safer, and more open. https://ipfs.io/. Accessed 29 May 2020
2. Metamask: a crypto wallet & gateway to blockchain apps. https://metamask.io. Accessed 21 May 2020
3. Sia: decentralized storage for the post-cloud world. https://sia.tech/. Accessed 28 May 2020
4. Storj decentralized cloud storage. https://storj.io. Accessed 28 May 2020
5. Swarm: storage and communication for a sovereign digital society. https://swarm.ethereum.org/. Accessed 22 May 2020