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 google web-based search technology will be out of date it?
Nebulas, Substratum are just a couple of projects trying to tackle this issue and especially given the levels of internet censorship we are beginning to see rolled out a decentralised web browser is inevitable. I was listening to a talk given by Olaf Carlson Lee describing Web 3.0 and how it will change the world in ways we are still to early to conceive.
He thinks the following protocols are most likely to power these apps:
Ethereum – a more knowing decentralized protocol that can enable innovation to be built on it, that can attract developers, and that can enable all sorts of applications from digital IDs, file storage, messaging, wallets, supply-chain finance etc.
IPFS ecosystem
Tezos
Rchain
PolkaDot
Difinity
Cosmos
(I would say there are a few more you could add to that list potentially..EOS, ADA)