Replying to JimD

As Greenlight becomes available, it will challenge that assumption.

The local/mobile wallet accessing a Greenlight LN node will pre-signed transactions for channel closure and other operations.

The online node will never have the keys, just the pre-signed transaction for cooperative close and to challenge any hostile unilateral closure.
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andre 2y ago

How does it sign for channel updates? Sounds really cool.

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JimD 2y ago

It can only do channel updates while the wallet/client is available to authorize them. It's not for routing nor any of that. It's a solution purely to the LN payment self-custody issue.

To go into it in any greater depth we'd have to delve in the source code. I think it's in a branch of the core lightning sources.

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andre 2y ago

👍 thanks!