question #1 Sahih al-Bukhari 2180, 2181, Book 34, Hadith 129 : What is the ruling on exchanging silver for gold on credit in Islamic finance?

I asked Al-Bara’ bin `Azib and Zaid bin Arqam about money exchanges. Each of them said, “This is
better than I,” and both of them said, “Allah’s Messenger (ﷺ) forbade the selling of silver for gold on credit. ”