ECDSA

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Bitcoin Is Encrypted: Let Me Explain How

1 Jun 2021 35 minute read 8 comments BitcoinGordon

An interesting thing happened on the way to the forum. Actually, an interesting thing happened today on Crypto Twitter. I made the terrible mistake of defending someone's elevator pitch, beginner-level explainer video on "what is Bitcoin". I took the...

What is ECDSA in Bitcoin?

20 Jun 2020 6 minute read 0 comments Kluma

What is an ECDSA?   ECDSA (abbreviation for Elliptic Curves Digital Signature Algorithm , an algorithm for constructing digital signatures using elliptic curves) is a cryptography scheme based on elliptic curves (Elliptic Curve Cryptography or ECC)....

An Addition To The Bitcoin Wiki Page On Quantum Computing, And Mosca’s Theorem Of Risk Determination Applied To Blockchain. (Part 4)

4 Sep 2019 2 minute read 1 comment Allen Walters

You can read part 1 here and part 2 here and part 3 here.  The bitcoin wiki page makes the following statement: “Bitcoin already has some built-in quantum resistance.” This is not correct. Hashed public keys are no protection: It is often said that n...

Quantum resistant blockchain and cryptocurrency, the full analysis in seven parts. Part 6 F (Quantum hijacks: off chain MITM attacks)

23 Aug 2019 1 minute read 0 comments Allen Walters

You can read part 1 here, part 2 here, part 3A here, part 3B here, part 3C here, part 4A here, part 4B here, and part 4C here, and part 4D here, part 5 A here, part 5 B here, part 5 C here part 5 D here, and part 5 E here Introduction: Part 6 A here,...

Quantum resistant blockchain and cryptocurrency, the full analysis in seven parts. Part 5C.

7 Aug 2019 4 minute read 0 comments Allen Walters

You can read part 1 here, and part 2 here, and part 3A here, and part 3B here, and part 3C here, and part 4A here, and part 4B here, and part 4C here, and part 4D here For the introduction, read part 5 A here, and part 5 B here It’s pretty much an im...

Quantum resistant blockchain and cryptocurrency, the full analysis in seven parts. Part 5A.

17 Jun 2019 4 minute read 0 comments Allen Walters

You can read part 1 here, and part 2 here, and part 3A here, and part 3B here, and part 3C here, and part 4A here, and part 4B here, and part 4C here, and part 4D here   So we continue.. More challenges when upgrading an existing blockchain to quantu...

Quantum resistant blockchain and cryptocurrency, the full analysis in seven parts. Part 1.

31 Mar 2019 6 minute read 2 comments Allen Walters

The development of quantum computers will eventually provide the necessity for blockchain to become quantum resistant. The why and how will be discussed in part 3 and further. But before we dive into quantum resistance, I would like to focus on some...