Blockchains used to be exclusively associated with bitcoins until other industries saw how useful the digital distributed ledger can be. Walmart used it to identify expired food that needed to be pulled from its shelves, and at least one shipping company used it to track cargo as it made its way across the ocean. Now a startup called Blockstack is relying on the technology to power its decentralized browser that runs without existing infrastructure. It's similar to Bittorrent's Project Maelstrom browser in that it loads websites from peers instead of from servers, which can protect your privacy and safety online.
Read more here: https://www.engadget.com/2017/05/24/blockstacks-decentralized-browser-bitcoin-blockchain/