Commits on Jul 11, 2024

1. blip-0041: channel funding fee credit …

   Onboarding users to the lightning network is hard, because opening a
   channel requires paying on-chain fees and allocating capital, hoping
   that it will be used to earn routing fees. It is not economical nor
   sustainable to open channels for users that receive a tiny amount and
   may not use the network frequently enough.
   
   Wallet providers usually work around this issue by requiring users to
   receive a large enough first payment to pay on-chain fees for their
   channel.
   
   However, a collection of unrelated tiny payments received over a period
   of time may be enough to justify creating a channel. We thus introduce
   a funding fee credit, that lets users prepay for future channel(s) by
   proactively revealing htlc preimages for small payments. When that fee
   credit reaches a sufficient amount, it is used by the remote node to
   cover the on-chain costs of opening a channel or splicing additional
   liquidity.

   

   t-bast committed Jul 11, 2024
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