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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Interesting Parts in CIA Leaks

Schneier wrote: 8,761 classified CIA documents […] 2012-2016 […]it sounds like this cache of documents wasn’t taken from the CIA and given to WikiLeaks for publication, but has been passed around the community for a while — and incidentally some part of the cache was passed to WikiLeaks. […]  extraordinary collection […] several hundred million lines …

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Is PGP Bankrupt?

In the last few years, we have seen an increased awareness that PGP/GPG is a dinosaur of 1990s crypto, and it does not satisfy the need of modern users for secure communication. PGP model has many perverse effects: like creating a single point of failure where all sensitive communications are compromised with cracking one single …

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