I saw somewhere a discussion between LN devs that could be possible to "trade" already opened channels. Something about channel factories. Means you can "buy" from someone else or marketplace a channel that was opened long time ago. Practically exchanging owners of that channel.
Brilliant! I think there is a wallet that does something like that. Trades private keys instead of going on chain. I haven’t spent enough time looking into it. https://mercurywallet.com/
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