Is it permissible to stipulate that the borrower must pay the difference in value if the currency drops?

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Check below answers in case you are looking for other related questions:
Paying interest because of inflation is riba
He took a loan with riba before becoming Muslim – how should he pay it off now?

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Related Answers:
Profit and salaries made from a business financed with interest
Ruling on taking an interest-free loan from the bank with which his company does business
The company will give him a loan equal to the price of what he wants to buy; can he tell them a figure greater than the real price, so that he may take a bigger loan?
Paying interest because of inflation is riba
He took a loan with riba before becoming Muslim – how should he pay it off now?

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