bitcoin currency and block technology was invented , if block technology universal in the world , we need a based on block search engine it ? google web-based search technology will be out of date it?
You could have alternative based on the blockchain technology, maybe such thing exists or is being developed. But for this you will have to have huge amount of data as Google is collecting data of the websites. With many advanced algorithms and features it will be really hard to break Google that easily. Alternatives exist even today but when you look at it how well has Google blended in the society with its brand. When you want to search something on the Internet you are more likely to say I will Google it, than saying will search