Stock Market More Volatile than Bitcoin
Turbulent times.
Archive of posts filed under the Bitcoin category.
A Coordinated Bitcoin Selloff
It appears that it was a coordinated action planned many days in advance. Without doubt also related to coronovirus. We looked at the crypto index CMC200 and CMC200 without bitcoin which are volume weighted average price synthetic indices, now present in the mainstream with Nasdaq, Bloomberg, Reuters, Yahoo etc. Both indices culminated on 14 February 2020. In …
Can the Internet become Unstoppable?
There is a chance the the Internet will be completely transformed. One wind of change blows from blockchain tech community. Another from Communist China. Essentially all the technology we know, could disappear completely, and could be replaced by something completely different, a different set of protocols and systems. For decades the so called “Internet” was some …
Never Again Banning Crypto Currency
Private money has arrived. Crypto winter is over. At least for India. The supreme court of India has overthrown their 2018 ban on crypto currency.
A New Documentary about WW2 Cryptanalysis of Enigma
A new documentary tells the story of the discovery of one of the most important cryptography papers of all times. We are talking about an extensive technical report written in German language and entitled “Kurzgefasste Darstellung der Auflösungsmethoden”. For some 80 years it has remained classified, part of the so called Gustave Bertrand WW2 archives. It was …
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A Linear Annihilator Property and Strong Biases with Original DES S-boxes
In 2004 I have published a paper [Crypto 2004, Santa Barbara] in which I explain the concept of the so called Bi-Linear attack on DES. The old attack was not extremely strong. It is possible to see that two conditions would be necessary for such an attack to somewhat work well in cryptanalysis of DES: There …
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A Serial Scandalist Claims Ownership of the Mythical Bitcoin Paper
A shameful provocation and sad day for scientific research: 11 years after the original publication Craig Wright has managed to re-publish Satoshi’s original paper with his name on it.
A New Attack on Data Encryption Standard (DES)
There is abundant literature on the security of Data Encryption Standard (DES or 3DES). Today we have released a new way to attack this cipher, see Section 11 in here. Anyone who reads this paper should immediately see that the high confidence which have developed over decades in research community about our ability to design secure block …
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ZeroCash was broken, and nobody have noticed
A bug which allows unlimited creation of coins was found and fixed in ZeroCash. It is a sophisticated and subtle security flaw. We read that: To exploit the counterfeiting vulnerability, an attacker would have needed to possess information found in the large MPC protocol transcript that was made available shortly after the launch of Zcash. …
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Happy Birthday Bitcoin, 10 Years!
On January 3rd we celebrate 10 years since bitcoin network started operation. Long live all crypto currencies, especially those which actually are real innovators, and bring new technology such as advanced crypto techniques to the market. Let a thousand crypto flowers bloom. P.S. It is also 20 years and 2 days after the introduction of …