What is a technological advancement today that you wish never existed?
s804@kbin.social to 
Technology@kbin.social – 25 points – For me, I would choose computer viruses.
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s804@kbin.social to Technology@kbin.social – 25 points –
Blockchain technology hasn't contributed anything of lasting value, and too much money, energy, and good will has been burned by people trying.
Its most popular applications are cryptocurrencies, which are used for gambling, money laundering, and for collecting payments from ransomware victims. Someone once bought a pizza with them, but since that time their transactions have become too slow and their value too volatile to exchange them for anything so concrete.
Various attempts have been made to use blockchain technology for public or shared databases, but it turns out to be worse than all the other faster and much simpler existing solutions in that space.
Others have attempted to bolt it on to various business and social systems, but it hasn't provided any practical benefit there either. It remains a slow and cumbersome alternative to every problem.
Its unique superpower is that it can be used to make contracts between parties that have no trust in one another and no social or legal system of enforcement, so long as your definition of a contract is sufficiently narrow, can be reduced to terms understood by the world's slowest logic engine, and is perfectly encoded the first time around and doesn't require any adjustment thereafter. If one or more of those conditions fail, you'll find yourself turning to the social and legal systems of enforcement you thought you didn't have.
I wish we could go back to the time when bitcoin was this crazy new currency and not a vessel for pump-and-dump schemes. It seems like such a cool idea, and I'd totally be on board with it due to the decentralization aspect (like I am with the fediverse) if it actually managed to be what it set out to be
It was never very suited as a currency, if by currency you mean a convenient medium of exchange. If by currency you mean a convenient medium of speculation and money laundering, I think it can be argued that was always the idea.
Well, technically, it is decent at being a currency even by your definition, just not in our society. I do think in something like a post apocalyptic world crypto would be a pretty good payment method, provided the technology worked to an extent where it would be possible to maintain.
I also refuse to believe it was invented to be speculative, I think it was basically a thought exercise to see if you could make a digital currency in a world where you can't trust anyone.
Though the fact that right now it's an unregulated currency that can be exchanged for regulated currency does allow for some pretty spectacular scams.
To be fair, you left out one of the most popular uses: scamming and grifting!