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Is Blockchain the Most Important IT Invention of Our Age? (theguardian.com)
mspohr writes: This article makes a fairly persuasive argument for the utility of the blockchain. It discusses a wide variety of companies and government exploring blockchain to maintain secure records which cannot be altered. One interesting application is to use blockchain to maintain property records in many countries where these records are often incomplete and are easily corrupted (intentionally or unintentionally). A linked article in The Economist expands the thought and discusses changes to the blockchain to improve performance, reduce overhead and accommodate different uses.
(See also this related poll.)
You can achieve similar things with a gossip protocol. Blockchains are just one step in the evolution of distributed and public logs. Blockchains are in fact a very very wasteful, with all that proof-of-work. Most of bitcoin is controlled by china, and most of china's energy comes from old-fashioned coal. So, Blockchains as of now are a very very dirty technology.
But I'm really looking forward in seeing newer approaches emerge which don't need this kind of proof of work but are still safe against spam. Bitcoin has done one very important thing IMO, it has put attention to this topic. There are tons of startups everywhere. One really has to fear that "blockchain" becomes a new buzzword.
In fact, the blockchain has been designed with distrust in mind. Unlike most other systems, it isn't the usual "just add a 3rd party everyone trusts, and lets call the problem solved" (like with TLS certificates, there you even have hundreds of parties everyone trusts), but it gives you a real hard number of people you can assume to act "hostile" and the system is still stable, without having a trusted third party. Its all real nice, in theory, except for the question of how to bring information about the current hashing speed of the network to the client. This is the only information you as non-hashing party have to trust.
Bitcoin is a distraction. What the underlying technology, the blockchain, is actually enabling is a new internet.
This is part of a larger trend that covers things like serverless architecture (e.g. AWS Lambda, public cloud computing) and peer-to-peer storage systems (e.g. IPFS, Storj). We are moving increasingly towards a web that will be "decentralized".
These are not buzz words or utopian fantasies. This is a continuation of the internet's development. What started from widely distributed networks has long since been concentrated into enormous data silos and processing farms under the tight control of a handful of megacorps. We've been complaining about that for over a decade now. But it's only over the past year or two that we starting to witness a swing of the pendulum back in the other direction.
With the advent of new blockchain-based platforms, most notably Ethereum, but perhaps also Tao chain and MaidSafe, we are going to see the business models of the current web come under threat in a serious way. Just like piracy disintermediated media giants and news publishers, just like open source disintermediated proprietary software. and just like Bitcoin and Uber have been attempting to disintermediate the financial sector and taxi industry, there is no question that a large segment of top tech companies are going to evaporate under the coming weight of this movement.
They will never be able to compete with organizations that have become entirely decentralized. These organizations, which are in the making as we speak, are going to drastically lower transactions costs, stimulate greater public participation, support more efficient governance, and promote more incentives for average web users. All these organizations need to do is replicate current models like Airbnb, Amazon, Uber, Reddit, Twitter, and so on, with the new tech.
That will rapidly destabilize whatever you might think is a stable landscape. I can't predict precisely what will happen, but if my research on this subject is worth anything at all, then it's likely that we'll be seeing a transformation on the scale of the internet itself, if not greater.
Do some in-depth reading on this before letting your complacency and skepticism get the better of you. Bitcoin is a joke compared to what's coming.