There is a concerted effort from what we can see, and are getting some subtle hints that we need to be going down this path from some shared government customers. That is far from saying that this will be successful or that it will get past early stages, but they're definitely trying.
Having said all that, my understanding is this is more in line with a true blockchain effort rather than something like QLDB (though I hope I've misread on that count in case I do get stuck on dealing with this).
The specific technology the Walmart group is working with is IBM's implementation of: https://www.hyperledger.org/about
There is a concerted effort from what we can see, and are getting some subtle hints that we need to be going down this path from some shared government customers. That is far from saying that this will be successful or that it will get past early stages, but they're definitely trying.
Having said all that, my understanding is this is more in line with a true blockchain effort rather than something like QLDB (though I hope I've misread on that count in case I do get stuck on dealing with this).