Is Computer Security a Pseudo Science?

A major paper trying to explain why security experts have so frequently failed.    Cormac Herley: The Unfalsifiability of Security Claims paper /slides. It starts with a great classic, Karl Popper philosophy of science which would be the basis to say “security” is some sort of pseudo-science. We read that “there is no empirical test that allows us …

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Press Release: Student Thesis/Paper Blockchain Security Research Competition 2016

DEADLINE EXTENDED 15 OCT 2016. ============================ We have created a fund for research prizes for beginning researchers in bitcoin and blockchain security and financial cryptography.           In 2016 we are going to award prizes for student thesis and student paper work. Here is our press release. Submissions will be accepted until …

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Record Breaking DAO Token Sale

In the last 2 weeks it was possible to buy DAO tokens, a major new form of distributed business constructed to run on ETH blockchain. Until Friday 12 May 2016 some 50 M$ were invested. Then the price of these tokens has started raising [following the pre-determined rule] for the last 2 weeks of token …

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Is Satoshi Nakamoto Back?

Today the Economist publishes a picture of Craig Wright, who decided to confirm and embrace the claim that he is the mysterious creator of bitcoin, Satoshi Nakamoto. The picture and the paper portrays a sad man who is badly struggling “to convince the world that he is indeed who he claims to be”. He also …

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Speed Matters

Some work done at UCL regarding bitcoin and speed: HOW to crack bitcoin passwords at a very high speed: brainflayer cracker where we read that: “The bulk of Brainflayer was written by Ryan Castellucci. Nicolas Courtois and Guangyan Song contributed the code in ec_pubkey_fast.c which more than doubles the speed of public key computations compared with …

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Is Bitcoin Going to Split in Two?

Two prominent bitcoin gurus Gavin Andresen and Mike Hearn decided to release their own software distribution of bitcoin and ALTER the specification of bitcoin! There will be a possibility to mine blocks with a new version number and new rules. This is meant to make bitcoin more democratic: larger blocks, more transactions per second, lower fees, wider …

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Should One Be Able to Undetectably Impersonate Citizens?

Researchers at UCL and in the US claim that the current systems for e-government citizen/user authentication (for example when dealing with taxes or public services), are deeply FLAWED.  The main issue raised is that the current systems which are under roll-out in the UK and the US are very poorly engineered with respect to central server/hub …

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