jmGraphene vs LightningLGraphene and LN are not in the same category. LN is a payment network atop of BTC. Graphene is a block propagation protocol. There is nothing to compare.
https://whatsonchain.com/tx/5b4e986ac16c8d2f79c6da6805aee945b02b497fb60ffb5d4b3b47cf69f0eba9