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Jamie C. Driver

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5 commits1 monitored projects2 candidates0 high-risk analyses
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Blockstream JadeBlockstream5 commits2 candidates0 high risk
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Low 35 AI analysisMessage 70 · Adequate
BS BlockstreamBlockstream Jade BitcoinHardware wallets

pset: allow sign_psbt to be called for liquid

This commit enables the Jade hardware wallet to sign Liquid network transactions using the existing sign_psbt command. Previously, this command was rejected for Liquid. The change mainly removes that rejection, skips Bitcoin-only fee math …

Feature expansion: previously rejected Liquid PSBT signing path is now acceptedBitcoin-only fee-accumulation logic is skipped for Elements/LiquidNo input validation or signing logic changes visible in the diff
3ab9dcd2by Jamie C. Driver+48−364 files
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Moderate 57 AI analysisMessage 50 · Thin
BS BlockstreamBlockstream Jade BitcoinHardware wallets

pset: examine outputs looking for unblinded liquid data

This commit changes how the Blockstream Jade hardware wallet examines transaction outputs before signing a Liquid (Elements-based) PSBT. It now inspects outputs for confidential/unblinded asset and value data, detects scriptless fee output…

New validation rejects blinded scriptless outputs, which could previously be misinterpreted as fee outputsNew validation enforces policy asset for scriptless fee outputs on LiquidNew validation extracts and records unblinded asset/value data for Liquid outputs
7db69311by Jamie C. Driver+71−101 file
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Low 28 AI analysisMessage 65 · Adequate
BS BlockstreamBlockstream Jade BitcoinHardware wallets

pset: display liquid outputs for user confirmation

This commit adds user confirmation screens for Liquid (Elements) transactions in the Blockstream Jade hardware wallet. Previously, Liquid PSBT signing likely did not show the user the outputs and fee before signing, or used Bitcoin-only co…

Adds user-facing confirmation of transaction outputs before signingAdds user-facing confirmation of transaction fee before signingSeparates Liquid/Elements confirmation path from Bitcoin path
e713f138by Jamie C. Driver+77−281 file
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Low 40 AI analysisMessage 35 · Opaque
BS BlockstreamBlockstream Jade BitcoinHardware wallets

pset: handle signing pset

This commit changes the Blockstream Jade hardware wallet firmware so it can now sign Liquid/Elements PSET transactions instead of rejecting them. It also adds a check that the PSBT type matches the selected network (Bitcoin vs. Liquid). A …

Feature expansion: enables signing of Elements/Liquid PSETs, increasing attack surface for a previously unsupported transaction formatNew consistency check: rejects when PSBT Elements flag mismatches the network's Liquid statusFIXME comment added about potentially requiring non-witness UTXO for Bitcoin inputs, suggesting an open security/design question
c4cc4a09by Jamie C. Driver+7−51 file
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Moderate 57 AI analysisMessage 45 · Thin
BS BlockstreamBlockstream Jade BitcoinHardware wallets

pset: parse pset bytes using temporary task with larger stack

This commit changes how Blockstream Jade hardware wallets parse PSET (a variant of Bitcoin's PSBT format used on the Liquid sidechain). Previously, parsing PSET data could crash the device because verifying confidential transaction proofs …

Stack overflow / stack exhaustion during PSET parsingConfidential transaction proof verification requires large stackAddition of PSET magic-byte handling where previously unsupported
5b4e61daby Jamie C. Driver+38−91 file
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