Can those sats come back onchain?
Discussion
Short answer: yes
Long answer: they always have been on chain, the chain is just the witness for layer 2 state. You can trade between L1/L2 using atomic swaps and so on.
Short answer: yes
Long answer: they always have been on chain, the chain is just the witness for layer 2 state. You can trade between L1/L2 using atomic swaps and so on.