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Informational 15 Bitcoin

chore(core/ethereum): drop `EthereumSignAuth7702` and its handler

Public commit record

What the developer wrote

Authored by Roman Zeyde

77/100 · Adequate
chore(core/ethereum): drop `EthereumSignAuth7702` and its handler

It will be integrated into `EthereumSignTxEIP1559`.

[no changelog]
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides an explanatory body
The short version

What changed, and why it matters

This commit removes an Ethereum feature called EthereumSignAuth7702 from the Trezor firmware and related software. It deletes the message types, the signing handler, the command-line tool, and the tests. The commit message says this feature will later be merged into EthereumSignTxEIP1559. There is no security fix here—this is a routine cleanup/refactoring change.

Recommended action

No security action required. Treat as a normal API-breaking refactor. If you rely on EIP-7702 authorization signing, note that the standalone message is gone and will be replaced by integration into EthereumSignTxEIP1559 in a future change.

Security signals we found

01

No security-relevant code change: pure feature removal/refactoring

02

Message type IDs 473 and 474 are reserved, preventing accidental reuse

03

No vulnerability patch, no input validation change, no cryptographic change

Risk score

Why this scored 15/100

Our methodology →
Potential impact 0/30
Exploitability 0/25
Stealth signal 0/15
Affected reach 0/15
Confidence 10/10
Evidence quality 5/5
Human-validated context

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