  Beyond Visual Line of Sight operation enables drones to surpass the limits
imposed by the reach and constraints of their operator's eyes. It extends their
range and, as such, productivity, and profitability. Drones operating BVLOS
include a variety of highly sensitive assets and information that could be
subject to unintentional or intentional security vulnerabilities. As a
solution, blockchain-based services could enable secure and trustworthy
exchange and storage of related data. They also allow for traceability of
exchanges and perform synchronization with other nodes in the network. However,
most of the blockchain-based approaches focus on the network and the protocol
aspects of drone systems. Few studies focus on the architectural level of
on-chip compute platforms of drones. Based on this observation, the
contribution of this paper is twofold: (1) a generic blockchain-based service
architecture for on-chip compute platforms of drones, and (2) a concrete
example realization of the proposed generic architecture.
