I think there are a very few projects out there with actual working products that provide real economic value.

VeChain [0] for example, has been quietly establishing itself as a viable solution for supply chain transparency [1]. Walmart uses VeChain through its Food Traceability Platform [2].

[0] - https://www.vechain.org/

[1] - https://seekingalpha.com/article/4415383-vechain-is-blockcha...

[2] - https://traceability.walmartmobile.cn/walmart/p/100074210400...