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I would like to take this opportunity to announce NFTBlocker, an upcoming browser plugin or possibly standalone app which autoblocks anyone who's associated their Twitter account with a Bitcoin address or NFT

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TechCrunch

@TechCrunch

Sep 23, 2021

Twitter accelerates again with Bitcoin tips, NFTs, recorded Spaces, creator fund and more tcrn.ch/3o0oBY8 by @sarahintampa

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Having been paid serious $$$ via bitcoin for real work and hard product... it has it's uses. But yeah, not something I need my Twitter or *space to know/care or share about.

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I would be interested in cryptocurrency as a payment transfer mechanism (PayPal and wire services are just too awful in too many ways) but the global warming impact is simply too high.

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Lightning-based tips don't use any significant amount of electricity. Lightning has a lot of usability issues that are generally worked around by using custodial wallets. Directly using Bitcoin would currently be around 15 to 30 cents of fees going to miners per on-chain tip.

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Because the energy usage rule on POW chains is "as much as possible", the energy usage is not based on direct use but rather demand (mindshare)

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The revenue for miners comes from the total of the block rewards and transaction fees. Bitcoin block rewards are designed to trend towards zero over time so it gradually becomes more and more based on transaction fees until that's the entire source of the revenue for mining.

12:34 AM · Nov 28, 2021Twitter Web App

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Block rewards are cut in half every 4 years. If Bitcoin doubled in value every 4 years (~20% yearly increase) it would provide a consistent amount of revenue from block rewards. Ethereum is the only other major one and I don't think there will ever be another major PoW chain.