Summary of the May 18 MIT L2 Summit, discussing layer two scaling, complete with description and links to presentation videos (+ my top 3 favorites)


List also available on Twitter: [twitter.com/SomsenRuben/status/1018052262759821312](https://twitter.com/SomsenRuben/status/1018052262759821312)

1. Introduction (Neha Narula, Director MIT DCI). Presenting an argument why L2 scaling matters (on-chain doesn’t scale). [youtu.be/jzoS0tPUAiQ?t=262](https://youtu.be/jzoS0tPUAiQ?t=262)

2. The Near Future of Lightning (Connor Fromknecht, Lightning Labs). An overview of lightning, discussing amps, splicing, watchtowers (encrypted blobs). [youtu.be/jzoS0tPUAiQ?t=918](https://youtu.be/jzoS0tPUAiQ?t=918)

3. Non-Custodial Crypto-to-Crypto Trading (Sharon Goldberg, Commonwealh Crypto Inc.), discussing ideas for decentralized exchanges. [youtu.be/jzoS0tPUAiQ?t=2488](https://youtu.be/jzoS0tPUAiQ?t=2488)

4. Discreet Log Contracts (Tadge Dryja, MIT). An overview of the tech, similar to talks at previous events, and a demo. [youtu.be/jzoS0tPUAiQ?t=4321](https://youtu.be/jzoS0tPUAiQ?t=4321)

5. Using Truebit for verifying offchain computations (Sami Makela, Truebit). Taking computation off-chain and only using the blockchain for disputes. Low on technical details. [youtu.be/jzoS0tPUAiQ?t=5944](https://youtu.be/jzoS0tPUAiQ?t=5944)

6. Panel on State Channels (five participants). Talking about different state channel solutions and how they operate. [youtu.be/jzoS0tPUAiQ?t=7849](https://youtu.be/jzoS0tPUAiQ?t=7849)

7. Interledger, L2, L3, and Beyond (Evan Schwartz, Ripple engineer). A layer between L2 solutions (seems excessive to me). [youtu.be/jzoS0tPUAiQ?t=11315](https://youtu.be/jzoS0tPUAiQ?t=11315)

8. Scriptless Scripts (Andrew Poelstra, Blockstream). Basic overview, plus blind atomic swaps, zero knowledge contingency payments, Lightning payment hops. [youtu.be/jzoS0tPUAiQ?t=12965](https://youtu.be/jzoS0tPUAiQ?t=12965)

9. Building yalls.org with Lightning (Alex Bosworth, Lightning App Dev). Discussing real problems from implementing Lightning micropayments, and possible mitigations. [youtu.be/jzoS0tPUAiQ?t=14570](https://youtu.be/jzoS0tPUAiQ?t=14570)

10. Fireside Chat (Elizabeth Stark, Lightning Labs). Her experience working on Lightning. [youtu.be/jzoS0tPUAiQ?t=15969](https://youtu.be/jzoS0tPUAiQ?t=15969)

My three favorite talks (chronological):

2. The Near Future of Lightning [youtu.be/jzoS0tPUAiQ?t=918](https://youtu.be/jzoS0tPUAiQ?t=918)

8. Scriptless Scripts [youtu.be/jzoS0tPUAiQ?t=12965](https://youtu.be/jzoS0tPUAiQ?t=12965)

9. Building yalls.org with Lightning [youtu.be/jzoS0tPUAiQ?t=14570](https://youtu.be/jzoS0tPUAiQ?t=14570)

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