BR036 - Lightning Privacy & Splice Panel ft. Tbast, Dusty, Tony, Jeff & Vivek

I’m joined by guests Tbast, Dusty, Tony, Jeff & Vivek to discuss lightning privacy and splicing.

Discussion Topics

• 00:01:17 Housekeeping

• 00:02:14 Guest introductions

• 00:04:29 Current state of LN privacy

• 00:05:40 Receiver privacy

• 00:06:58 Blinded paths

• 00:12:31 Obscurity of lightning

• 00:13:47 Onchain privacy compared to lightning privacy

• 00:19:57 Lightning privacy challenges

• 00:21:57 PTLCs

• 00:22:48 Routing and LSPs

• 00:24:20 Gossip filters

• 00:25:36 Gossip and BOLT7 summary

• 00:27:27 Speed of development

• 00:29:22 Lightning implementations and compatability

• 00:31:38 BOLT12

• 00:34:00 Why an additional node implementation? (LDK)

• 00:40:04 Feature experimentation and market validation

• 00:43:29 Communicating feature sets

• 00:45:05 Payment descriptions

• 00:47:32 Nostr and zaps

• 00:50:25 Custodial lightning and censorship resistance

• 00:54:39 Splicing

• 00:57:51 Scaling

• 01:01:32 Bitcoin core changes that would advance lightning

• 01:08:06 Testing, breaking and adversarial actions

• 01:12:48 Shadow channels

• 01:15:52 Splicing (cont.)

• 01:22:04 Payjoins and keysend

• 01:25:52 Blockspace concerns

• 01:34:04 Taproot channels and gossip

• 01:41:09 Splicing (cont.)

• 01:42:13 Signing, UTXOs and pre-signed splices

• 01:47:15 FROST

• 01:47:60 Swap-in potentium

• 01:48:49 ecash

• 01:53:18 Final thoughts

Notes & Resources

• lightningsplice.com

• Lightning Privacy Research

• Current State of Lightning Network Privacy by Tony

• Hidden Lightning Network Stats

• lnproxy.org

• FROST: Flexible Round-Optimized Schnorr Threshold Signatures by Chelsea Komlo & Ian Goldberg

• FROST-BIP340

• Swap-in-Potentiam: Moving Onchain Funds “Instantly” To Lightning by Jesse Posner

• Point Time Locked Contracts (PTLCs) (Bitcoin Optech)

• BOLT7

• BOLT12

• BOLT #9: Assigned Feature Flags

Episode submission ideas

• We’re looking for ideas for interesting panel conversations. To send Bitcoin related questions, just go to bitcoin.review and follow the contact links at the bottom of the page.

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• Nostr & LN ⚡nvk@nvk.org (not an email!)