You cannot call something you do not understand as Ponzi scheme, at least provide some proof of your claim?
Below are the press releases/news of some of these billion dollar companies, I do believe that these reputable companies have done their due diligence prior to their collaboration/partnership with Vechain.
DNV GL buys stake in leading public blockchain service provider VeChain as it strengthens commitment to raising trust and transparency through digital solutions
https://www.dnvgl.com/news/dnv-gl-b...transparency-through-digital-solutions-119749
VeChain S.E.A. becomes a portfolio company of PwC’s incubation programme to accelerate the application of Blockchain in Hong Kong and South East Asia markets
https://www.pwccn.com/en/press-room/press-releases/pr-150517.html
VeChain (VEN) Signs Impacting Partnership Just Before The VeChain Thor Launch: DB Schenker
https://ethereumworldnews.com/vecha...t-before-the-vechain-thor-launch-db-schenker/