The credit blockchain: with or without the banks?

Our first reflex when we wish to take out a loan is to contact one or more banks through the intermediary (or not) of a broker. You may also sometimes use the services of a comparator. But with the advent of Blockchain, will this model still exist in 5 years, 10 years, 20 years, ..? No one can really say today. We are in 2018 and the technology is too recent, and its applications too anecdota...