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Wavelength Delivers Ark-Based Lightning Without Node Overhead | Roasbeef & Michael Levin SLP764 — Key Takeaways

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Wavelength Delivers Ark-Based Lightning Without Node Overhead | Roasbeef & Michael Levin SLP764

Stephan Livera50mAug 14, 2026

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Wavelength lets developers integrate self-custodial Bitcoin and stablecoin Lightning payments via a handful of simple API endpoints (send, receive, balance, activity) without managing nodes, channels, or liquidity.

Key takeaways

Wavelength lets users receive Lightning payments with zero inbound liquidity or channels

Wavelength lets users receive Lightning payments with zero inbound liquidity or channels

  • Traditional Lightning requires sourcing inbound liquidity before receiving; Wavelength handles this via a shared pool, eliminating that barrier.
  • A user with zero sats can generate an invoice and receive instantly — the server bridges liquidity just-in-time.

Wavelength uses standard Lightning invoices with hop hints — no new address format introduced

Wavelength uses standard Lightning invoices with hop hints — no new address format introduced

  • Hop hint aliases let the client detect whether the recipient is inside the same Wavelength instance and route directly, skipping the broader LN.
  • From any external wallet's perspective, a Wavelength payment looks identical to a normal Lightning payment.

Wavelength compiles to TypeScript/WASM, enabling self-custodial wallets to run directly in a browser or Telegram

Wavelength compiles to TypeScript/WASM, enabling self-custodial wallets to run directly in a browser or Telegram

  • A team member shipped a Telegram-embedded self-custodial wallet as a side project — previously this would have taken months of specialized work.
  • Self-custodial construction means builders avoid licensing and compliance obligations that custodial Lightning integrations trigger.

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In this video

  1. 1mIntroducing Wavelength and Lightning Labs
  2. 1mWhy Wavelength: Lightning Without Node Pain
  3. 3mWhy Ark?
  4. 5mNo New Addresses: Just Lightning Invoices
  5. 9mTargeting Vibe Coders & AI Agents
  6. 13mLightning Beats Credit for LLM APIs
  7. 18mReceive Sub-1k Sat Vouchers Seamlessly
  8. 20mNormal User Spins Up Ark Wallet Fast
  9. 23mBuild Wallets with Just 4 Endpoints
  10. 25mTelegram Self-Custodial Wallets Already Live
  11. 26mOffline Payments Still Arrive Automatically
  12. 29mDrop-In SDK for iOS and Android
  13. 31mCan Servers Steal Your Funds?
  14. 34mWavelength Alpha: Just 1 Bip Fees
  15. 38mAI Attacks Targeting Bitcoin Services?
  16. 44mBug Bounties Shift to Token Spending
  17. 49mSelf-Custody as Easy as Custodial

“we basically wanted to think about a way to put together easy mode for self-custodial Bitcoin and eventually stable coin payments on Lightning”

— Michael Lavine

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