Sergi Delgado and Watchtowers, Lightning Privacy - Episode 28

Sergi Delgado joins us to discuss Watchtowers, his prior work in Bitcoin and Lightning privacy, Python vs. Rust and the impact of Eltoo. We cover: - Sergi’s prior research - Mapping Network Topology Research (02:46) - TxProbe paper - Andrew Miller - Coinscope - Episode on Address Relay with Martin (04:28) - Block-only connections PR by Suhas (07:32) - An Empirical Analysis of Privacy in the Lightning Network (09:18) - Lightning white paper, 2016 (09:48) - Security and Privacy of Lightning Network Payments with Uncertain Channel Balances (13:38) - Episode with Sergei on Probing - Channel Jamming paper (13:50) - Episode with Clara and Sergei - Should we pay for failed payments? (14:19) - HTLC withholding vs. HTLC hodling (15:48) - Is Lightning flawed when it comes to privacy? (16:32) - Watchtowers (17:44) - Python PoC (21:49) - ZmnSCPxj’s writing watchtowers - Building on LDK (24:20) - Transition to rust (24:45) - Altruistic towers vs professional services (30:21) - More privacy considerations in Lightning (34:11) - Monitoring and reacting paradigm (44:04) - Storage and Eltoo (50:06) - Professional tower revenue models - subscription vs. bounties (53:00)

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Sergi Delgado and Watchtowers, Lightning Privacy - Episode 28 is an episode from The Chaincode Podcast by Chaincode Labs.

This episode is 00:59:25 long.

This episode was published on Feb 2, 2023.

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