...* Always use messages signed with your address and ask the same from the parties of the deals. Make sure the parts are aware that only such signed messages are meaningful. Impersonation is a big risk in your business. ...
Newbie question: What kind of messages does this refer to exactly, do you mean messages and PMs on this forum? If so, sign how, is there a SMF or forum specific mechanism for that, and how do I prove my public key, if it's going to be safer than my forum login?
Sorry for my ignorance
