AFAIK both of these use cases had many millions of invested dollars dumped into them during the Blockchain hype and neither resulted in anything. It might not be an exact match for (1), but there was famously the ASX blockchain project[0] which turned out to be a total failure. For (2), IBM made "Farmer Connect"[1], which is now almost entirely scrubbed from their website, which promised to do supply chain logistics on a blockchain.

[0] https://www.reuters.com/markets/australian-stock-exchanges-b...

[1] https://mediacenter.ibm.com/media/Farmer+Connect+%2B+IBM/1_8...