Design principle DP14: Multiple simultaneous connections and billing
Provide the system with a protocol for users to initiate any number of connections and for hosts to simultaneously bill users with multiple connections, in order to ensure connections without the risk of overcharging or repudiation.
Source paper
This design principle is proposed by An Architecture Using Payment Channel Networks for Blockchain-based Wi-Fi Sharing (Christian Janiesch, Marcus Fischer, Florian Imgrund, Adrian Hofmann, Axel Winkelmann, 2023).