62 votes
Accepted

What are Channel Factories and how do they work?

What are Channel Factories? In short, Channel Factories are payment channels that can be used to create more payment channels. That sounds weird, but it's really pretty simple: In a regular payment ...
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5 votes
Accepted

How would the gossip protocol announce channels from a channel factory?

Pretty much everything would stay the same. If you look at the relevant messages channel_announcement and channel_update we have the following formats: channel_announcement type: 256 (...
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  • 8,814
5 votes
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Is it possible to splice a new participant into a LN channel factory?

You are correct. It is not possible to get Diana into the Channel Factory without a transaction that closes and reopens with Diana. Splicing-in and splicing-out as explained by Decker et al. in the ...
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  • 557
4 votes
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Payment channels with dynamic signatures

It's possible for Alice and Bob to agree among themselves to pay Carol and any number of other recipients (subject to limits on transaction size). However, it's not possible for Carol and other ...
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1 vote

Payment channels with dynamic signatures

The main problem I see with this is increased complexity, and possible collusion between 2 of the 3 parties. If Carol is now required to sign updates, what does Alice do if Carol is unresponsive? ...
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