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this post was submitted on 14 Sep 2026
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Rather than just downvote you and move on, I want you to follow that to its conclusion. Blockchain is normally used for ledger type applications that are fixed or you need a verifiable history. How would either of those situations help in regards to a search index?
Thanks, nothing irritates me more than downvotes on a speculative statement.
I was thinking that having the index spread out amongst systems with their own crawlers would create some resiliency as well as spread out the hardware requirements.
But that might be me just misunderstanding the concept. Maybe something else works better.
The internet is great for connecting machines. HTTP(s) could even be used to transfer messages. Blockchain is good for maintaining a historical record. The farther down the chain you go, the harder it becomes to rewrite history. You pay for this feature by requiring everyone to permanently keep the whole shared historical record. Some workarounds for the permanent storage of the whole history exist but that's blockchain in a basic form. The permanent record is a nice feature for things like financial transactions.
Blockchain bros tried to convince us blockchain is great for sharing information in an effort to increase its relevance. You may connect it for that reason. In their defence, blockchain can be used for data transfer, it's just not that great at it.
Blockchain could be used to assert trust, but most problems have equally good or better alternative solutions for that. Very often these use digital signatures and public-private keypairs.
You may want to look at YaCy for a decentralised search engine.
Thanks for the explanation.
I think you said "blockchain" when you really meant "distributed hash table."
I shouldn't have said anything at all because now people much smarter than me are going down a rabbit hole instead the main gist I was trying to convey. ๐ตโ๐ซ
I didn't mean to discourage you! I just meant to point you to the right technology to learn about.
Yes, you should have commented what you did, because [eventually] someone gave you an explanation of why what you thought isn't as good as you thought it was. Also... Why be "smart" and "interesting" when you can be a collection of 300 tangential rabbit hole topics in a trench coat?
Me though? I chose to be a library of sick references in a hunched human form.
Storing the index on the blockchain itself isn't really feasible, but I think you could leverage it as a source of truth for what distributed stores (e.g. torrent, WebDAV, ftp, s3) contain the correct and latest info.
Tough part is verification. You need a consensus for what is accurate before you add it to the chain. If someone indexes 1000 sites and someone else goes to verify it the sites could've changed in that time. Doesn't mean the proposed data is wrong but how do you separate outdated info from bad info (i.e. data poisoning)?