• LN Devs Summit Summary
  • Fee Cards + Negative fees for channel liquidity pricing (see prezzo by nifty below)
  • Proposal to minimize / fuzz probing
    • increase delay for sending commitment signed (more batching)
    • set a false “ceiling” on amount of liquidity available
    • fake traffic on other channels via the ceiling set
  • Eltoo and ANYPREVOUT research / implementation is moving forward
  • Trampoline routing moving forward; useful for “offline payor”
  • BOLT12 — invoice updates w/o fetch mechanism?
    • solidifying around “updated invoice” spec
  • Taproot channels are coming!
    • Updates to gossip
    • Solidifying nonce/Musig2 updates to existing protocol
  • Gossip is changing
    • Key aggregation
    • Verifying P2TR / MuSig2 outputs
    • “more private gossip” deferred til the future (aka v2)
  • Minisketch gossip reconciliation is being worked on
• zeroconf merged https://twitter.com/thebluematt/status/1531509811866529792?s=21&t=cWK88c6Hn54_Jj9BY6DwL
• core lightning rust plugin framework
  • (ATX) fedimint is using it to do stuff (intercept htlcs) https://github.com/fedimint/minimint/pull/101
• lightning muxer !? https://github.com/bottlepay/lnmux
• (ATX) tony’s probing the network
  • https://github.com/BitcoinDevShop/hidden-lightning-network
• BtcSessions tutorial on Magma
  • 16.81 BTC bought in 44 days https://twitter.com/kerooke/status/1534294708805152770?s=20&t=uRz-ct6Dlk11TgAn5W8A-A
• Voltage added LNBits
• Umbrel v0.5 released
  • new UI
  • lightning is an app now (and CLN is an option!)
  • new way to package and release apps https://github.com/getumbrel/umbrel-apps/blob/master/README.md
• btc++ lightning talks!
  • John Cantrell on Sensei https://btcpp2022.sched.com/event/12P6u/becoming-a-lightning-network-sensei
  • Building with LDK w/ Jeff + Arik https://btcpp2022.sched.com/event/12P6T/building-with-ldk
  • Ryan Loomba on CashApp’s enterprise LDK implementation https://drive.google.com/file/d/1KllM3-HqtT7KHXDTuG_lrHJndtt-rdSV/view
  • Voltage platform w/ Nate + Paul https://btcpp2022.sched.com/event/12P6H/voltage-platform-for-users-and-devs
  • Alex Myers on minisketch + lightning https://btcpp2022.sched.com/event/12P7C/magical-minisketch-and-the-lightning-gossip-network
  • Jestopher / AMBOSS on bridging Social + Financial Networks https://drive.google.com/file/d/1Urvre2GvdRoOhSnwKLVwO0xwIjctRtit/view?usp=sharing
  • Fabrice from ACINQ on “everything you always wanted to know about lightning but were afraid to ask” https://btcpp2022.sched.com/event/12P6N/everything-you-always-wanted-to-know-about-the-lightning-network-but-were-afraid-to-ask
  • Dustin’s talk on Splicing https://www.icloud.com/iclouddrive/024m53TdnrvrzT_Houf5KpjgA#SplicingTalkWithNotes
  • nifty on lightning x liquidity (rebalancing edition (motiviating rate cards)) https://docs.google.com/presentation/d/1oNEOe3n-s5sSY600bOvPACZSZQDWcfT6itl4B4qWQG4/edit?usp=sharing
  • Kody Low put core-lightning in a REPL.it https://replit.com/@KodyLow/GettingStartedWithCoreLightning?v=1
• Lightspark launches — https://twitter.com/davidmarcus/status/1524826813096112128
• Lightning withdraw Point of Sale (via an embedded URL in a NFC card) https://twitter.com/CoinCornerDanny/status/1526573313962680321
  • BLIP for standardizing LNURL-withdraw for use at point-of-sale, e.g. over NFC
  • Definitely has security concerns https://github.com/theDavidCoen/blips/blob/84b00ea0802afca9c3a2c4e89b9891be3efe4333/blip-0015.md#rationale

Implementation Updates:

• Spec: ‣
  • LDK https://github.com/lightningdevkit/rust-lightning/pull/1519
  • ACINQ: Improve htlc_maximum_msat in channel updates ‣
• LND: SQLite DB Backend for LND (Draft PR)
• LND: Set default fee rate to 10000ppm https://github.com/lightningnetwork/lnd/pull/6610
• CLN: Add SCBs https://github.com/ElementsProject/lightning/pull/5288
• ACINQ: Dual-funding RBF support ACINQ https://github.com/ACINQ/eclair/pull/2275
• LDK: Cut 0.0.107 https://github.com/lightningdevkit/rust-lightning/pull/1525/files#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4ed