Decentralized does not imply secure. Obviously both are desirable, but one does not imply the other. Although some will (rightfully) argue that a centralized sy

Decentralized does not imply secure. Obviously both are desirable, but one does not imply the other. Although some will (rightfully) argue that a centralized system can never be fully secure, so you might say that secure implies decentralized at some level. Although, to be fair, of all the above only (the old) Skype and email come close to decentralization.