Abstract: A method for deposit of an electronic payment order by a first intermediary processor among a plurality of intermediary processors linked by a communication network. A routing message is received at the first intermediary processor, the message identifying one or more deposit target processors accessible through the network via the second intermediary processor and providing a respective secure identifier for each of the accessible deposit target processors. When the first intermediary processor receives the electronic payment order drawn on a specified one of the deposit target processors conveyed over the network from a depositing processor, it clears the payment order intermediary processor by checking the payment order against the secure identifier of the specified deposit target processor provided in the routing message.

Abstract: A method for electronic advertising by an advertiser includes posting an advertisement for an item offered to a buyer for purchase from a merchant on a page per fee basis at a predetermined price via a network link to a network address represented in the advertisement by an alias, which conceals the network address from the buyer. Upon receiving an invocation of the link from the buyer, an order is transmitted to the merchant for supply of the item to the buyer in exchange for payment of the price by the buyer. The item is conveyed, responsive to the order, from the merchant to the buyer, and the advertiser receives a predefined portion of the price paid by the buyer in consideration for posting the advertisement.

Abstract: A method for providing a proactive security in proactive operating environment. The proactive operating environment includes a group of proactive servers communicating over a network. Each proactive server (PSI) includes a storage that includes a non erasable part that stores a public, non proactive related, key VIStart. The storage further includes an erasable part for storing private and public data. The proactive server has a discardable one-time private key SIStart that corresponds to the public key VIStart. The proactive server further has configuration data C. There is further provided a processor for providing a proactive services to applications. The proactive server has a group public proactive key VCERT common to the group of proactive servers and a share SICERT of a corresponding private proactive key SCERT.