Shocking Discoveries about Blockchain Bitcoin and Ethereum Network-Level Vulnerabilities

We live on a planet where new technology seems to be working against the vast majority of humans living on this planet, rather than helping us to live better. This is sometimes called “singularity”, and Tristan Harris, a former Google ethics guru has now joined a public crusade so that tech companies “stop exploiting our …

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Can the Internet become Unstoppable?

There is a chance the the Internet will be completely transformed. One wind of change blows from blockchain tech community. Another from Communist China. Essentially all the technology we know, could disappear completely, and could be replaced by something completely different, a different set of protocols and systems. For decades the so called “Internet” was …

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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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