[Cryptography] Darpa wants a secure messaging app based on blockchains

[Paul Wouters]

On Tue, 26 Apr 2016, Henry Baker wrote:

> http://motherboard.vice.com/read/darpa-decentralized-blockchain-encryption-messaging-app
>
> https://sbir.defensebusiness.org/(X(1)S(1k4rl43mjo4osffksxsusdf1))/topics?AspxAutoDetectCookieSupport=1#topic27859

> Buzzwords: decentralized, journaled transactions, cyptographically sound, blockchain, repudiation, deniability, one time.
>
> "Phase 3 will focus on commercialization", but any commercial system will require a back door, thus rendering it worthless for commercialization.

So I guess it cannot be based on publicly verifiable cryptography then,
because then the backdoor would be impossible. Guess they can just go
back to using Skipjack :P

Paul