Happy Birthday Bitcoin, 10 Years!

On January 3rd we celebrate 10 years since bitcoin network started operation. Long live all crypto currencies, especially those which actually are real innovators, and bring new technology such as advanced crypto techniques to the market. Let a thousand crypto flowers bloom. P.S. It is also 20 years and 2 days after the introduction of …

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The Low Cost of 51% Attacks

A web page shows that many crypto currencies lack protection against 51% attacks. For example to double spend in Dash, one needs to pay only 14K$ per hour. To double spend in bitcoin private, 1000$ will suffice. And course benefits of double spending can easily outweigh the costs. In addition some of the higher numbers are questionable. There …

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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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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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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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