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That's an impressively terrible article.

https://iden3.io/ was the farthest ahead in terms of the understanding of the issue and ability to solve it, but they may have been side-tracked recently.

I would disagree with this categorisation of Ethereum. Cardano doesn't even have smart contracts yet, and Flare is basically an overlay for Ripple, which is not even a cryptocurrency. If people want to chase big multiples then watch out for new defi projects. If they want the potential of...

Ultimately any successful financial system will bring with it opportunities to make money by carrying out some sort of calculation. Blockchains will (at some stage) move away from proof of work to proof of stake, bringing energy usage closer to that of the traditional financial system, but it...

Proof of stake doesn't by itself increase the transactions per second, it just changes the method by which finality is reached (finality is the point at which people can say "it would cost $x for the data stored at this point in the chain to be altered"; as long as x is high enough the chain can...

Double spend protection is more of the "how" than the "why", though. (And blockchain's aren't immutable, that's a common misconception. What they have is a cost to alter history, which in most cases will exceed any costs that can be gained from carrying out the re-write and gives a high...

The basic "why" of cryptocurrencies is relatively easy to understand. Imagine you want to send someone £100. Unless you can meet them face-to-face and given them £100 in cash it will require sending the money via a third party (a bank, paypal, whatever). This is all well and good, except for...