With Fiat currencies we're not questioning the costs of global payment networks, data centres for payment services providers and banks, their office buildings, computers, printing/minting/transportation of notes/coins and so on. It's taken for granted.
The latter, where unused energy of wind/solar that exceeds battery storage capacity can produce #Bitcoin, thus shortening the return on investment of renewable energy. This return can then be used to reinvest in real energy storage capacity.
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Some great questions from @tpflug on #cryptocurrency that I thought others might also be asking... And, in this thread, I'm going to try to answer them...
Why care about crypto?
What can we do with them?
So much fraud & wasted energy: what am I missing?
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Why care about #cryptocurrency?
Crypto-currency is to banking, payments and (soonish with Atomic Swaps) currency exchange – as the internet was to high-street retail, music buying, movie rental and more. It's going to change these industries. It's already beginning to change them
We have to treat cryptocurrency now as we did the internet in the 1990s to early 2000s – a new technology, a new paradigm, a game changer but we're still exploring. Like when the dot-com bubble burst, the entities that survive will be the ones that matter. The ones people trust.