1. A network node, comprising: one or more processors to: receive a message that is associated with one or more signatures and one or more second signatures, the one or more signatures having been validated by a particular node; determine that the particular node is a trusted node, the network node not to validate signatures that have been validated by a trusted node; determine that the one or more signatures have been validated by the particular node; and sign or provide the message, without validating the one or more signatures, based on determining that the one or more signatures have been validated by the particular node.