Bitmessage keys are only used for encryption, not for signing. I tried talking atheros into it but to no avail

Btw:Bitmessage does not have a blockchain.
IMHO the point is: Getting encryption right is difficult so don't complicate things any more than absolutely necessary.
Interesting, I didn't know they don't have a blockchain. Isn't there some large block of data that stores the encrypted messages there in some way, though?
I guess what I'm asking is, my project seems about as secure as bitmessage, just from what we're both doing with the secp256k1 curve. So if coinmessage is not considered secure, can bitmessage? If not, what am I missing?