Distributed vehicle network access authorization

A system comprising:

• a first plurality of blockchain nodes including first network nodes external to a vehicle and second network nodes internal to the vehicle, the first plurality of blockchain nodes maintaining a first distributed blockchain ledger;
• and
• a first computing device, the first computing device including a processor and a memory, the memory including instructions such that the processor is programmed to:
• transmit a first request to the first plurality of blockchain nodes requesting access to a vehicle network via a communications access port in the vehicle for the first computing device or another computing device;
• demonstrate a first proof of work by responding to a second request from the first plurality of blockchain nodes;
• and
• receive, based on a first majority of the first network nodes and the second network nodes in the first plurality of blockchain nodes accepting the first request, first authorization specifying access to the vehicle network via the communications access port.