Friday, December 27, 2024

How do blockchain explorers know if the deal with is basically generated?

I’m finding out how the Bitcoin addresses era works.

So far as I realized, a Bitcoin deal with seems within the blockchain solely after it has been concerned in its first transaction. If an deal with has by no means been utilized in any transactions, it won’t have a presence within the blockchain.

Because of this, Initially, I believed that with out information of the personal key, there could be no strategy to confirm if a given deal with is an accurate hash generated from actual key, or just a random/made-up mixture of characters of the identical size (like a few of these “vanity-addresses”).

Nevertheless, immediately I found that after I enter a genuinely generated BTC deal with that has by no means been used earlier than (for positive) into the search discipline on blockchain.com, the newest shows a message indicating that the deal with is discovered however has no transactions.

screenshot1_real

screenshot2_real_no_transactions
To generate addresses, I used bitaddress.org and this python lib, I attempted a number of occasions, utilizing each, however the outcomes at all times usually appear to be ones above.

Then again, after I change a single character in such an deal with or enter random digits and letters that visually resemble a BTC deal with (together with size) however weren’t generated utilizing the talked about lib/service, blockchain.com states that “Nothing discovered.”

screenshot3_madeup

How do the service distinguishes between actual and made-up addresses, on this case?

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