Overstock.com is the first major company to issue stock on a trading platform powered by the blockchain. The blockchain is a distributed file system where participants keep copies of the file and agree on changes by consensus. Settlement times are reduced from three days to 10 minutes, settlement costs are cut by 80 percent. The Bitcoin system is slow to process transactions and is facing scalability issues. But the blockchain lends itself well to peer-to-peer systems but isn’t necessarily a good tool for individual enterprises.”]
Source: https://www.csoonline.com/article/3050557/is-the-blockchain-good-for-security.html