Near-real-time control of 6G network services requires decisions to be taken as close to the network devices as possible, for example by a distributed system of intelligent agents that relieves the centralized control plane of these fast control loops. Distributing decision-making, however, opens new vulnerabilities. The demonstration presents the DESIRE6G solution for securing such distributed intelligence: secure inter-agent communications and remote attestation to verify each agent’s integrity, both backed by immutable transactions on a blockchain.