[Cryptography] Blockchain to Secure Nuclear Weapons?

[ianG]

On 11/10/2016 15:12, Jim Windle wrote:
> DARPA looking at uses of blockchain technology, including securing
> nuclear weapons.
>
> http://qz.com/801640/darpa-blockchain-a-blockchain-from-guardtime-is-being-verified-by-galois-under-a-government-contract/

While I don't know for sure, it's not clear to me that Guardtime 
technology is blockchain.  It's more like hashchain, but that is 
something that has been discussed many times going back to the early 1990s.

iang