npub17n…0pnwf on Nostr: As an old unix-er, with limited crypto knowledge, but good enough in tech, I'm ...

As an old unix-er, with limited crypto knowledge, but good enough in tech, I'm curious about BCHNostr: I know the BTC/BCH past fork, but AFAIK lighting network, at the base of zaps, is BTC, not BCH. Do BCH have made it's own kind-of layers? How many TPS could BCH sustain now/which average fees if not?