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)
- 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.