# Payment Channel Network: Lightning Network and HTLC

%[https://youtu.be/M6M67q8BHWw?si=Oxd6q0W-J7eUYp8I] 

In this talk, we review the recent research trends related to payment channels with a focus on the lightning network, HTLC and improvements. It was delivered by Dr. Yunwen Liu, as an episode of the Cryptape Vanguard 2020-2022 Blockchain Research Panorama Series.

You may also find her essay, "[Understanding Payment Channel Network An Overview of Recent Studies](https://blog.cryptape.com/understanding-payment-channel-network)", to be a valuable companion to this presentation.

Yunwen Liu is a cryptographer at Cryptape Vanguard. She completed her Ph.D at COSIC, KU Leuven. She published 20+ research papers in venues including Eurocrypt and Journal of Cryptology. She has served on the program committees of Eurocrypt 2022 and ToSC 2022/2023.

To learn more about Cryptape Research Workshop, visit the [**Notion page**](https://www.notion.so/cryptape/Cryptape-Research-Workshop-f06fee0dd3844f65993906bf9a363d24).