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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Storm is Brewing Over Bitcoin Future

If you read recent media reports about future of bitcoin, you wonder what is going on. For sure it is NOT clear which software or which blockchain we will be calling the “true” or “real” bitcoin in the future. Here is a selection of citations, all very recent, and all about the fork expected to …

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UCL InfoSec Visit at Bletchley Park – Friday 29 Sept 2017

Our trip took place 29 Sept 2017.  Some 32 UCL students participated. Students have explored the past in order to find role models for the future.           Due to large numbers, we have split into two groups for a guided Bletchley Park tour, and also had assisted at two bombe demonstrations. …

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ICOs – The Good and the Ugly

In the recent crazy wave of ICOs we hear every day that investors should be warned and there are lots of scams or that it is unlikely that ICOs can deliver. So the question is how do you tell apart a “good ICO” from a bad one? It is a difficult question, but let us …

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Bitcoin Network Recovery – $40 Billion Of Self-Inflicted Damage

After 1 month of acute crisis the bitcoin network is finally operating more or less normally. Imagine that you went to a station in rush hour and it took you 1 month to get home due tube or rail network jamming. This is exactly what happened to bitcoin in the last 2-3 months, and which is …

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Post-Quantum RSA

A very detailed study showing that RSA can be re-engineered in order to remain practical, yet it will no longer be broken by a quantum computer. The essence of the proposal is a multiple-prime RSA with great many 4096-bit primes and with 1 Terabyte public key. A significant potential weakness [for which however there is no …

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Bitcoin Network Saturation

Almost exactly 3 years after this, bitcoin network went down to less than 50% dominance, and has nearly lost its capacity to process payments normally. Bitcoin in Crisis This can be seen on the following graph for the last 12 months. The curve does not go down to zero anymore. It can no longer keep with …

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Silvio Micali – A Genius Which Will Stay in the Bottle

Silvio Micali, one of the most brilliant computer scientists on this planet has just re-invented democracy or blockchains or finance or law order and public authority and few other things, with his ALGORAND system. And some other brilliant crypto innovators are also doing the same thing: see DFINITY. Possibly this is what we really want, a …

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