Notes

Lightning seminar notes: HTLC, MAC/HMAC, and routing failures. Written during Lightning Protocol Development.

• Causes of routing failures in Lightning Protocol

  Mar 19, 2025 - lightning, seminar, routing

  These notes are about possible causes of payment failures that can occur in the Lightning Protocol. Some are more severe than others in terms of their impact on the network’s fu...

• Where MAC and HMAC are implemented in the Lightning Protocol — and why

  Mar 12, 2025 - lightning, seminar, cryptography

  Here we will discuss the implementation of MAC and HMAC in Lightning node communications and why they are so important.

• Hash Timelocked Contract (HTLC)

  Mar 9, 2025 - lightning, seminar, htlc

  Hello everyone, welcome to my first topic in Lightning Protocol Development. In this topic, we will be discussing Hash Timelocked Contracts (HTLCs).