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	Podcast:		The Chaincode Podcast
	Episode:		Nadav Kohen and Payment Points - Episode 7
	Category:		Technology
	Duration:		00:49:44
	Publish Date:		2020-03-30 21:53:22
	Description:		In Episode 7, we chat with Nadav Kohen of Suredbits and discuss payment points as an alternative to HTLCs on the Lightning Network. In this conversation we cover: Payment points (1:55) - Blog post part 1 - HTLCs (2:00) Timelocks (4:16) HTLC drawbacks (5:38) - Payment decorrelation - Wormhole attack presented in Anonymous Multi-Hop Locks for Blockchain Scalability and Interoperability (6:35) Point time lock contracts (PTLCs) (9:50) - Adaptor signatures on Schnorr Proof of payment (13:25) Invoiceless transactions (15:05) Hashes, pre-images, and HTLC mechanics (16:35) Onion analogy (18:55) PTLC mechanics (19:30) Why don’t we use PTLCs today? (22:15) Lightning in Scriptless Scripts posting by Andrew Poelstra March 2017 Improving proof of payment (26:10) Stuckless payments (30:46) Spam on Lightning (35:46) Selling Signatures and Schnorr signatures off the main chain (36:55) Contingent payments (39:20) Escrow contracts (41:28) Atomic multiparty setup and payment renegotiation (46:02) ETA of payment points (48:02) Thanks as always to Matthew Zipkin for the sound engineering.
	Total Play:		0