system
A chat on subreddit /r/wallstreetbets
human
But can you spend those USD while you're holding? The main point is being able to borrow cheap and invest in US assets like T-Billa in the mean time

gpt
With IB it works like this: if your account's base currency is EUR and you buy a $ denominated (bonds)ETF IB takes you EUR as collateral and borrows you the necessary USD(and charges you interest). All this is automated you simply buy the ETF.