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2023-07-26 11:03:49

Bitcoin Optech on Nostr: Bitcoin Optech newsletter #261 is here: - describes a protocol for simplifying the ...

Bitcoin Optech newsletter #261 is here:

- describes a protocol for simplifying the communication related to mutual closing of LN channels
- summarizes notes from a recent meeting of LN developers
- summarizes popular Q&A from Stack Exchange
- Adds Topics for: Channel announcements, Cluster mempool, Redundant overpayments
- Optech Newsletter #261 Recap on Twitter Spaces
https://bitcoinops.org/en/newsletters/2023/07/26/

Rusty Russell posted to the Lightning-Dev mailing list a proposal that simplifies the process of two LN nodes mutually closing a channel they share...
https://bitcoinops.org/en/newsletters/2023/07/26/#simplified-ln-closing-protocol

Carla Kirk-Cohen posted to the Lightning-Dev mailing list a summary of several discussions from the recent meeting of LN developers in New York City...
https://bitcoinops.org/en/newsletters/2023/07/26/#ln-summit-notes

Selected Q&A from Bitcoin Stack Exchange:

- How can I manually (on paper) calculate a Bitcoin public key from a private key?
- Why are there 17 native segwit versions?
- Does 0 OP_CSV force the spending transaction to signal BIP125 replaceability?
- How do route hints affect pathfinding?
- What does it mean that the security of 256-bit ECDSA, and therefore Bitcoin keys, is 128 bits?
https://bitcoinops.org/en/newsletters/2023/07/26/#selected-qa-from-bitcoin-stack-exchange

Channel announcements are advertisements that a channel is available to forward payments. The advertisements are relayed through the LN gossip network...
https://bitcoinops.org/en/topics/channel-announcements/

Cluster mempool is a proposal to associate each unconfirmed transaction in a mempool with related transactions, creating a cluster. Each cluster of transactions, whether it be a single transaction or several transactions, can be ordered from most desirable to mine to least desirable, allowing operations for adding or removing new clusters to complete fast enough to use them in P2P network code...
https://bitcoinops.org/en/topics/cluster-mempool/

Redundant overpayments are LN payments split into parts where the spender sends a greater amount and more parts than necessary to pay the receiver’s invoice.

Even if some of the parts fail to arrive at the receiver’s node on the first try due to forwarding failures, enough of the other parts may arrive to allow the receiver to claim their invoiced amount...
https://bitcoinops.org/en/topics/redundant-overpayments/

Bitcoin Optech will be hosting an audio recap discussion of this newsletter with special guests Greg Sanders and Bastien Teinturier on Twitter Spaces Thursday at 15:00 UTC. Join us to discuss or ask questions!
https://twitter.com/i/spaces/1DXGyvjzgXNJM
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