How much more energy efficient is PoS (proof of stake) than PoW (proof of work)? Are there any figures on this?
As transactions are getting increasingly slow and expensive, how can Bitcoin compete against newer better currencies?
How does the computational cost of verifying transactions scale with the number of total transactions?
To be more energy efficient, wouldn't be a consensual fork - right now - without the reward of new mined btc for each block helpful?
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