Iran’s proxy money machine: How the Houthis built a multibillion-dollar network despite US sanctions

# Why This Matters The Houthis' ability to generate $2 billion annually through sanctions-resistant networks fundamentally reshapes the calculus of US Middle East policy. By monetizing their control of the Red Sea chokepoint—one of the world's most critical shipping corridors—they have transformed from a regional militia into an economically self-sustaining force with structural leverage over global commerce; disrupting their funding requires targeting civilian ports and humanitarian supply chains that the US has historically protected. This directly explains why the group can sustain drone and missile attacks on international shipping despite ongoing military pressure, and why traditional sanction regimes have failed to degrade their capabilities. The implication is stark: containment of Houthi threats now requires either accepting reduced pressure on their operations or accepting significant collateral damage to civilian economies in Yemen and beyond—a choice between strategic effectiveness and humanitarian credibility that may force Washington to recalibrate its entire approach to the conflict.