Quote from: Charles-Tim on April 08, 2025, 11:31:32 PM

I do not have any article about it but all I know is that quantum computers can be able to know the private key of a wallet just from its public key. In the past, bitcoin is not paid to addresses but instead paid to public key. Examples is bitcoin that people thought are owned by Satoshi Nakamoto. If there is a quantum computer that is able to get the private key from the public, such computers will be used to have access to Satoshi Nakamoto's private key to access the coins.

Also while making transaction, the public key is known. This can be used against people. Only wallets that will not be affected are those that use public key hash (legacy address) and other bitcoin addresses and not pay to public key, and also if their wallet has only received transaction and not send because sending a coin will let the public key to be known to other people.

You can search online about quantum computers.

Umm I get it, thank you for the info Cheesy

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From my little exploring what I knew it doesn't matter what types of address we used like Legacy address or the Bech32, when we will spend bitcoin from a address that's will let our public address open to everyone. Sad

And if quantum computers reach that level of capability in the future, it is possible that the private keys of the wallets we use could be revealed.

And I read some other articles and realized that HD wallets (Hierarchical Deterministic wallets) should be used to receive Bitcoin, which create a new generator address every time and provide extra security for privacy.