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Since bitcoin is programmable money, reversibility can be built in the future if needed (think a merchant advertising that payments to them are reversible through your bank (or more likely via some other trusted third party) if needed as a way to gain your confidence).
Honestly, what would this ever be needed? If we are talking about merchants and the way credit card processing works maybe this could be a lightning invoice feature but on chain... nah. Seems like a very bad idea.
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