Darwin Revisited: Do Better Crypto Currencies Prevail?

Our job is security engineering. We criticise some bad insecure or otherwise imperfect solutions and promote solutions which make them better, more robust, more secure, faster etc. We naively believe that we can improve crypto currencies. Can we? There is plenty of evidence that we can’t. Crypto currencies are subject to a Darwinian evolutionary process. Crypto …

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Stellar: Good Points And Some Glitches

A new crypto currency and decentralized exchange platform STELLAR has been launched on 31 July 2014. It is run as a non-profit. It was created by Stripe CEO Collison and Ripple co-founder McCaleb. It has received $3 million in initial funding from Stripe. Some good points about Stellar: Non-profit: some people say that Stellar is …

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Ripple Fast Consensus Solution RPCA

The Ripple Voting Mechanism In September 2014, Ripple has released a white paper which described their method to achieve fast consensus in a peer network without expensive (and slow) proof of work. This is not entirely new and here is an older video about their system where transactions take only 5 seconds. In the white paper they …

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