What source would you believe? It seems like the great super power of this site is that any source immediately gets thrown out as fake news. What source would not?

That cash was actually money that we owed Iran but never paid. We gave that to them as show of good faith for them entering the JPCOA and releasing a couple of hostages.

https://apnews.com/article/iran-north-america-donald-trump-iran-nuclear-ap-fact-check-727282bdead6489a8521059936375210

Here's a whole article about it. Turns out international relations are often complex and nuanced. Much less fun than secret cabal payment to Iran for adrenochrome or whatever.