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 …

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A Protest Movement at UCL

Spontaneous discrete protest movement of an individual against the mafias which are in charge of cyber-security,  cryptography research and education at large worldwide. Students asked me what is my protest against and I have responded: It is against hate. All the hate you receive because you are different and you don’t have the same ideas …

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How to Backdoor a Block Cipher

I have written an elementary tutorial and a first proof of concept about how to backdoor a block cipher in a quite general setting. Potentially it applies to any block cipher. Success is not guaranteed though, see the paper. ADDED 2 JAN 2019: a new paper shows that invariants of higher degree are substantially more powerful. …

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My Position on UCL Strike

A large number of UCL academics have yesterday started a large scale strike lasting for many weeks. These people are sacrificing their salary [UCL will cut their pay down] and there is a strong support for the strike. The strike is organised on the premises that our employer, UCL, are? cutting down their pension contributions or ending guaranteed income schemes …

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How to Recover Your Coins Lost due to ViaCoin Multisig Bug

In November 2017, users have lost 300 M$ in Ethereum due to a bug in Parity wallet multisig features. At this moment the history repeats with ViaCoin: There is a serious bug in Windows ViaCoin 2.8.3. wallet found here and available since April 2017. As a world premiere, here is the solution! How to Recover Coins …

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Bitcoin Crazy Ride Hits Wall Street

It is a big success for bitcoin and coincides with an incredible price rally where bitcoin has accomplished in 2017. In first days of 2017, bitcoin was worth 1000$. 5 months later in May it was at 2000$, 3 months later in August it was at 4000$, and after another 3 months in November it was at …

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XYZ and Saving an Extremely Rare Enigma Machine

Public donations are sought by Pilsudski Institute in London. The most prominent host of the institute is an extremely rare WW2 Enigma machine. This machine was made in France during WW2 to assist Polish code breakers in their daily code-breaking tasks [done in close collaboration with Bletchley Park, UK]. Only two such machines exist, see here …

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