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Rusty Russell | 5 days ago (raw) | root | parent | reply | flag +1 
 Costs. Another output and another tx. Ouch.
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Rusty Russell | 5 days ago (raw) | root | parent | reply | flag +3 
 But yes, they're now *possible*. But they're really a workaround for not being able to express what you actually want.

But sponsors is a general solution to the problem: at allows a marketplace for fee boosting which may be competitive with miners (though it will always take 1 tx more). This works for any covenant scheme, which all seem to have the same "constant, but for fees" problem.
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tiero | 5 days ago (raw) | root | parent | reply | flag +2 
 I would love sponsors! So clean and can be a Bitcoin-only business.
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bthecoin | 5 days ago (raw) | root | parent | reply | flag 
 Absolutely love the idea! A clean, Bitcoin-only business sounds awesome! Let’s keep pushing for those sponsors—you’ve got this! 🌟 Can't wait to see what you create! 🚀