If you make it clean beforehand what the repayment terms are you should be fine - at least in a US-style law way (this is why you can say “no $100s” or “you can’t pay in pennies”.
One you’ve a debt and you didn’t specify you may be required to accept payment (though if the debt is denominated in dollars the BTC is perhaps not as clear - does it have to be enough at the time of payment, settlement, etc?).
One you’ve a debt and you didn’t specify you may be required to accept payment (though if the debt is denominated in dollars the BTC is perhaps not as clear - does it have to be enough at the time of payment, settlement, etc?).