Ethereum

In reality it's just going to be #4. But #3 is the most fun

Real World Ethereum 🌎 
building /daimo ✳️ 

All planets working together to create finality. Latency would kill the network.

1 is more likely scenario in the short term.

but in long run something like 4 is more likely.

But then, because of earth willing to force them to raise the fees on cobalt extraction that Mars started to sell to belters, Mars colony decided to declare independence from earth and some fight happened. Earth started to slash mars on purpose and mars had to fork. They now are in a different L1/L2 system and jail people who are trying to swap as bridging is illegal too.