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Fulmine Chain Swap (ARK ↔ BTC On-Chain)

Execute atomic ARK-to-BTC and BTC-to-ARK swaps via Boltz API.

3|Updated Feb 19, 2026
Search Tags:#cryptocurrency#bitcoin#boltz#ark#chain swap#atomic swap
One-click install
npx skills add https://github.com/ArkLabsHQ/arkadian --skill fulmine-chain-swap-ark-btc-on-chain
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Fulmine Chain Swap (ARK ↔ BTC On-Chain)
Source: https://github.com/ArkLabsHQ/arkadian/tree/main/skills/fulmine-chain-swap
Command: npx skills add https://github.com/ArkLabsHQ/arkadian --skill fulmine-chain-swap-ark-btc-on-chain

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires boltz, btcec, chaincfg, schnorr, txscript, wire, vhtlc, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill enables direct, atomic swaps between ARK VTXOs and on-chain Bitcoin UTXOs, bypassing the need for Layer 2 solutions like the Lightning Network.

Core Features & Use Cases

  • Two-Way Swapping: Supports both ARK to BTC and BTC to ARK swaps.
  • On-Chain Atomic Swaps: Utilizes VHTLC (Verifiable Hashed Timelock Contracts) for secure, direct swaps.
  • Use Case: Securely exchange your ARK holdings for Bitcoin without relying on centralized exchanges or Lightning channels.

Quick Start

Initiate a chain swap from ARK to Bitcoin for 1000 ARK, sending the resulting Bitcoin to the address 'bc1q...'.

Frequently Asked Questions about Fulmine Chain Swap (ARK ↔ BTC On-Chain)

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I swap ARK for Bitcoin directly on-chain without using the Lightning Network?▼

To swap ARK for Bitcoin on-chain, you can use an atomic chain swap utilizing VHTLCs. This bypasses Layer 2 solutions by securely exchanging ARK VTXOs for Bitcoin UTXOs directly through the Boltz API.

What is a VHTLC and how does it secure on-chain cryptocurrency swaps?▼

A VHTLC, or Verifiable Hashed Timelock Contract, secures on-chain swaps by managing preimage generation and lockup funding. It enables cooperative or script-path claiming to ensure atomic exchanges between ARK and Bitcoin.

Can I exchange BTC to ARK using an atomic swap, or is it only ARK to BTC?▼

Yes, you can exchange BTC to ARK using an atomic swap. This supports two-way swapping, handling both ARK-to-BTC and BTC-to-ARK directions by managing transaction validation and broadcasting.

Does the Boltz API support atomic swaps between Bitcoin and ARK VTXOs?▼

Yes, the Boltz API supports atomic swaps between Bitcoin and ARK VTXOs. It facilitates swap creation and monitoring while integrating Bitcoin network primitives for secure transaction validation.

What are the limitations of using atomic chain swaps for Bitcoin instead of centralized exchanges?▼

Atomic chain swaps require on-chain transaction validation and broadcasting, which may involve network fees and confirmation times unlike centralized exchanges. They utilize VHTLCs and script-path claiming for security without intermediaries.

Do I need a specific Bitcoin address format to receive BTC from an ARK swap?▼

You need a valid Bitcoin on-chain address to receive BTC from an ARK swap. The process broadcasts transactions to the Bitcoin network, requiring standard UTXO address formats for successful claiming.

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