I still pop in from time to time to check in and see if there's any interest in these.  I still have several, which I've mentioned before, but I bought both on the original release, and then picked up the remaining stock from Gudmunsen when WDC tanked after the whole Sharmbeck incident.

Anyway, I found the C# project that was created to allow you to scan a coin barcode and expand it to a proper key.  I don't think I can upload a zip here, but if anyone is interested, DM me and I'll try to take the time to create a Github with the code, or something.

Keep in mind, this is old so I don't know if it will compile or run.  It should have the code that someone can reverse-engineer, though.  Regardless, I think the original author took it from another tool on git an modified the address system to map to WDC addresses, rather than BTC addresses.  In fact, I think it might be the same tool (again, only modified to work with WDC) that was used to expand the OG Cascasius coins.  It's been yeeeeears since I looked into this stuff, so I can't fully recall.