Documentation for Hauler... the best Airgap Container Swiss Army Knife
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Updated
Dec 20, 2025 - JavaScript
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airgap
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A secure, client-side tool to broadcast a signed Bitcoin (BTC) transaction from an air-gapped wallet. Fetch UTXOs, regenerate QR codes, and submit raw hex transactions safely.
javascript security bitcoin foss qr-code web-application client-side btc airgap cold-storage utxo air-gapped self-custody transaction-broadcaster
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Jul 3, 2025 - JavaScript
A client-side, single-file HTML tool for securely broadcasting signed XRP transactions from an air-gapped or cold wallet. Built by Paranoid Qrypto.
javascript security foss qr-code web-application client-side xrp airgap cold-storage xrp-ledger xrpl air-gapped self-custody transaction-broadcaster
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Jul 3, 2025 - JavaScript
A secure, client-side tool to broadcast a signed Ethereum (ETH) transaction from an air-gapped wallet. Fetch nonce and gas fees, generate QR codes, and submit a raw hex transaction safely.
javascript security web-app ethereum foss qr-code web-application client-side eth airgap nonce etherscan cold-storage gas-price air-gapped gas-fees self-custody transaction-broadcaster gas-calculator
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Jul 10, 2025 - JavaScript
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