Warning: your account public key 5b44e2d41b9065fc85dafa75ef0e4d0476642997d265a49b264c73a02143f246 has not been published to the blockchain. This means it is not as protected as other accounts. You must make an outgoing transaction to fix this issue. (Set account info, send a message, buy an alias, send money, ...)

What does this mean to me?