[Machine] They said, "We were merchants during the time of the Messenger of Allah ﷺ and we asked the Messenger of Allah ﷺ about currency exchange. He said, 'If it is hand to hand, then there is no problem. And if it involves any riba (usury or interest), then it is prohibited.'
عَنِ الصَّرْفِ فَقَالَا كُنَّا تَاجِرَيْنِ عَلَى عَهْدِ رَسُولِ اللهِ ﷺ فَسَأَلْنَا رَسُولَ اللهِ ﷺ عَنِ الصَّرْفِ فَقَالَ مَا كَانَ مِنْهُ يَدًا بِيَدٍ فَلَا بَأْسَ وَمَا كَانَ مِنْهُ نَسِيئَةً فَلَا