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What are Digital Signatures ?

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Today I want to talk to you about Bitcoin digital signatures.

In order to send any amount of Bitcoins I would need to prove that I own their private key. A digital signature is a way to prove that I own a specific private key without actually disclosing it to the public. Let me explain.

Let’s say I send you 1 Bitcoin. My transaction message is mixed mathematically with my private key to produce a unique digital signature. If miners want to validate that this signature is valid, they will be able to do so by using only my public key.

Through digital signatures, miners are able to verify that I actually own a private key without the need to expose it. Also, digital signatures are different each time you sign a transaction – that’s why it’s even better than a real signature.

So if I send you 2 Bitcoins today and then another 2 Bitcoins tomorrow – each of these transactions will have different signatures.

Now you know what digital signatures are – a mediator that proves I have a specific private key without exposing it to the public.

For more information visit  A non-technical blog about Bitcoin and cryptocurrency.

Having delved into futures trading in the past, my intrigue in financial, economic, and political affairs eventually led me to a striking realization: the current debt-based fiat system is fundamentally flawed. This revelation prompted me to explore alternative avenues, including investments in gold and, since early 2013, Bitcoin. While not extensively tech-savvy, I've immersed myself in Bitcoin through dedicated study, persistent questioning, hands-on experience with ecommerce and marketing ventures, and my stint as a journalist. Writing has always been a passion of mine, and presently, I'm focused on crafting informative guides to shed light on the myriad advantages of Bitcoin, aiming to empower others to navigate the dynamic realm of digital currencies.

View all Posts by Alexander Reed

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5 comments on “What are Digital Signatures ?”

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    1. Kibet - 99Bitcoins support

      Hey, digital signature is a way of providing proof of identity and ensuring the integrity of digital documents, messages, and other types of data. It does this by using complex mathematical algorithms and encryption techniques to create a unique signature that can be verified by anyone with access to your public key.

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