Blockchain has yet to cross the chasm from technology enthusiasts to the wider marketplace and a major part of the reason is that we still don’t have the kind of easy-to-explain blockchain killer-apps that propelled the internet forward. Will we see this change in 2018?
Blockchain holds the promise to transform the finance industry and other aspects of the digital economy by bringing one of the most important and oldest concepts, the ledger, to the internet age. Ledgers constitute a permanent record of all the economic transactions an institution handles, whether it’s a bank managing deposits, loans and payments; a brokerage house keeping track of stocks and bonds; or a government office recording the ownership and sale of land and houses.
https://blogs.wsj.com/cio/2018/03/09/is-search-of-blockchains-killer-apps/