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 …
Continue reading ‘Bitcoin Network Recovery – $40 Billion Of Self-Inflicted Damage’ »
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 …
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 …
A proportion estimated to be as high as 70% of bitcoin mining chips used worldwide has a backdoor which allows one to trace the miners. In addition there is a malicious remote shutdown attack which could be triggered by a MITM attacker.
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 …
Continue reading ‘Silvio Micali – A Genius Which Will Stay in the Bottle’ »
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 …
When Marc Stevens and a team of researchers from Google have finally found a collision for SHA-1, which we have been expecting for longer than 10 years, somebody who is apparently none of these people, has apparently used it to obtain 2.5 BTC prize created by Peter Todd.
For the last few months Yahoo Finance have been promoting a criminal investment scam.They present it as if it was a legit company, while it is not hard to see that this is a scam run by some serial fraudsters. Shame on you, Yahoo Finance!
Tomorrow 20 January, Trump will become the next US president. It will allow us to test again the concept of a 51% attack: more than 51% of Americans disapprove of Trump. Here come the bad news. Possibly 90% would not help either. We have been losing control of the wealth and resources of this planet …
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 …