Hello @maxinpower !
Please check out the REAL Steem Messenger here : https://steemit.com/utopian-io/@kingswisdom/steem-messenger-v0-0-3-private-beta-session-image-encryption-and-many-more
No Active key needed. No transfer. Only pure security.
I will be announcing this weekend the security protocol of the real Steem Messenger, stay tuned for this :)