Canada
Most-favoured nation treatment
Fair and equitable treatment/Minimum standard of treatment, including denial of justice claims
Full protection and security, or similar
Indirect expropriation
https://www.iareporter.com/articles/us-is-facing-three-uncitral-arbitrations-arising-out-of-its-alleged-failure-to-curtail-long-running-ponzi-scheme/ (requires subscription)
https://globalarbitrationreview.com/ponzi-scheme-victims-proceed-treaty-claims-against-us (requires subscription)