Extension Systems • Estimated 70m

HTLCs

lightning.htlc

Conditional forwarding using hashlocks and timelocks.

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Curated resources (3)

• BOLT Specifications (article) Canonical Lightning protocol specifications.
• Bitcoin Dev Network (article) Practical Lightning-focused developer content.
• Bitcoin Design (article) UX and product considerations for Lightning apps.

Direct prerequisites (2)

• Hash Functions
• Payment Channels

Direct dependents (4)

• HTLC Timeout Settlement Paths
• Lightning Routing
• Point Time-Locked Contracts (PTLCs)
• Submarine Swaps

Canonical site description: Interactive Bitcoin knowledge graph with prerequisites, curated resources, and structured topic pages.