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Electrum

Long-running lightweight Bitcoin wallet for desktop and mobile platforms.

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Repository coverage

924 commits in the local evidence base

Every captured commit receives deterministic security triage and a separate communication-quality score. Security candidates and broader second-pass signals receive full-patch Ollama analysis.

64security candidates205second-pass queue54AI analyses
55commits · 30 days
108commits · 60 days
454commits · 180 days
924commits · 365 days
Backfill bands
Aug 5 → Feb 6470 seen11 candidatesComplete
Feb 6 → Jun 6346 seen10 candidatesComplete
Jun 6 → Jul 653 seen2 candidatesComplete
Jul 6 → Aug 554 seen3 candidatesComplete
Commit communication

Does the history explain itself?

Message quality measures whether a commit identifies its scope, purpose, rationale, testing, and supporting references. It does not change the security-severity score.

65/100 average clarity
191Strong · 80–100
409Adequate · 60–79
285Thin · 40–59
39Opaque · 0–39
2security candidates with opaque commit messaging
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Developer activity

Who is changing the project?

Public Git author strings; identities are not independently verified.

DeveloperCommitsCandidatesAnalyzedHigh riskMessage avg.
SomberNight3492517063
f321x3712121070
Sander van Grieken98108057
ThomasV7222056
user322062
Roman Zeyde511053
Sasha Zykov411076
Aaron Fiore411068
Ferdinando Ametrano111096
Ilya Artemov200050
Oren200043
Sebastian van Staa100045
Analysis record

Published AI watches

Last scanned 0 minutes ago

Informational 19 AI analysisMessage 96 · Strong
EL ElectrumElectrum BitcoinSoftware wallets

wallet: sign_message: strip whitespaces in GUIs, do not strip in CLI

This commit tidies up how Electrum handles extra spaces around Bitcoin addresses, messages, and signatures when signing or verifying messages. Previously, different parts of the program (desktop GUI, mobile-style GUI, command line) behaved…

Behavior normalization across GUI and CLI interfacesNo cryptographic primitive changedNo privilege boundary crossed
4c3064f5by SomberNight+27−185 files
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Informational 19 AI analysisMessage 96 · Strong
EL ElectrumElectrum BitcoinSoftware wallets

qml: strip whitespace from message before signing, as in qt gui

This commit fixes a minor consistency bug in Electrum's newer QML (mobile-style) user interface. When signing a message, the app now removes accidental spaces at the start or end of the message and address, just like the older desktop Qt i…

Behavioral inconsistency between GUI implementations could cause user confusion or failed verificationNo cryptographic weakness introduced; change is input normalizationNo memory-unsafe code, no privilege changes, no network changes
72507328by Ferdinando Ametrano+3−01 file
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Low 25 AI analysisMessage 68 · Adequate
EL ElectrumElectrum BitcoinSoftware wallets

trezor: drop session after closing it

This commit fixes a bug in Electrum's support for Trezor hardware wallets. After a Trezor session times out or is closed, Electrum now forgets the old session ID. Previously it kept the stale session ID, so the next attempt to sign a trans…

Fixes a stale-session reference that caused InvalidSessionError on re-authenticationEnsures PIN re-prompt after session timeout/closureFailure mode was denial-of-service (transaction signing crash), not unauthorized signing
071b1e24by f321x+8−51 file
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Informational 18 AI analysisMessage 58 · Thin
EL ElectrumElectrum BitcoinSoftware wallets

qml: update ConfirmTxDialog onValidChanged

This is a small user-interface fix for the Electrum mobile/QML app. When sweeping private keys, the confirmation dialog that shows how much money will be moved initially displayed an amount of 0 because it did not refresh after the transac…

bd776e24by f321x+3−01 file
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Low 42 AI analysisMessage 85 · Strong
EL ElectrumElectrum BitcoinSoftware wallets

wallet.check_sighash: don't assume tx.add_info_from_wallet alrdy ran

This commit fixes a defensive check in the Electrum Bitcoin wallet. Before signing a transaction, Electrum checks whether the transaction uses unusual 'sighash' flags that could allow someone else to move coins unexpectedly. The bug was th…

Sighash sanity check could be bypassed for beyond-gap-limit wallet inputsFix adds defensive deep-copy and wallet-info population inside check_sighashRegression test demonstrates dangerous sighash is now caught even with gap_limit=2
b57327fbby SomberNight+48−02 files
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Informational 15 AI analysisMessage 65 · Adequate
EL ElectrumElectrum BitcoinSoftware wallets

exchange rate: remove CoinDesk provider

This commit simply removes the CoinDesk exchange-rate provider from Electrum because CoinDesk's old API no longer works and its new API requires a paid authorization token. It is a routine cleanup, not a security fix.

6571e479by f321x+0−1972 files
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Informational 15 AI analysisMessage 73 · Adequate
EL ElectrumElectrum BitcoinSoftware wallets

hw_wallet/qt: reuse device message dialog across button requests

This commit is a user-interface performance and polish fix for Electrum's hardware wallet integration. It stops the app from destroying and recreating the same on-screen prompt every time a hardware wallet asks the user to confirm a transa…

898a4c27by Sasha Zykov+15−11 file
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Low 25 AI analysisMessage 88 · Strong
EL ElectrumElectrum BitcoinSoftware wallets

lnmsg: add new primitive type `bip340sig`, add tlv merkle root calculation and schnorr-sign over tlvs, implicit en/decode utf8 fields, schnorr signature verification.

This commit adds new Lightning Network message handling code to Electrum. It introduces a new BIP-340 Schnorr signature field type, computes Merkle roots over TLV (type-length-value) records, signs and verifies those roots, and adds implic…

New cryptographic signing/verification path addedNew BIP-340 tagged-hash Merkle root constructionSignature TLVs excluded from the Merkle root they sign
759ef10dby Sander van Grieken+160−111 file
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Moderate 55 AI analysisMessage 68 · Adequate
EL ElectrumElectrum BitcoinSoftware wallets

lnpeer: on_ping: drain out-socket buffer

This change fixes a potential denial-of-service weakness in Electrum's Lightning network peer handling. Previously, when Electrum replied to a peer's 'ping' message, it would add the reply to the outgoing socket buffer without waiting to c…

memory exhaustion / DoS mitigationunbounded outbound buffer growth preventedbackpressure added to peer ping/pong handling
9b206576by SomberNight+6−12 files
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Informational 20 AI analysisMessage 100 · Strong
EL ElectrumElectrum BitcoinSoftware wallets

ci: security review: give more permissions to claude

This commit changes Electrum's automated CI security-review bot so that the Claude AI assistant is allowed to run shell commands and modify files on its own, rather than only answering questions. The change is intentional and runs inside a…

New command-line flag named `--dangerously-skip-permissions` introducedCI script now permits an AI agent to execute commands and modify files without interactive permission checksExecution context changed from root to unprivileged `node` user to satisfy Claude's refusal to run as root
39cdb23eby f321x+4−12 files
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Informational 15 AI analysisMessage 90 · Strong
EL ElectrumElectrum BitcoinSoftware wallets

tests: regtest: make test_just_in_time less flaky

This commit only changes a test script. It adds a wait helper so a test that opens two Lightning channels in a row does not fail randomly on continuous integration. There is no change to Electrum's actual wallet or Lightning code, so users…

12547f94by f321x+23−01 file
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Informational 24 AI analysisMessage 78 · Adequate
EL ElectrumElectrum BitcoinSoftware wallets

Upgrade `trezorlib` to 0.20.1

This commit updates Electrum's Trezor hardware wallet plugin to work with a newer version of the trezorlib library (0.20.1). It rewrites how Electrum opens sessions with Trezor devices, especially when passphrases are used. The change is a…

Dependency upgrade of hardware-wallet communication libraryRefactoring of device session and passphrase handlingChange from init_device() to ping() for liveness check
0f2fa36eby Roman Zeyde+69−464 files
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Informational 15 AI analysisMessage 35 · Opaque
EL ElectrumElectrum BitcoinSoftware wallets

qml: additional styling updates

This commit is purely a user-interface styling refresh for Electrum's QML (mobile/desktop) GUI. It swaps some visual components (highlight panes, button containers, padding, colors) and introduces a new shared 'DialogHighlightPane' control…

28f744f7by Sander van Grieken+136−8525 files
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Informational 15 AI analysisMessage 45 · Thin
EL ElectrumElectrum BitcoinSoftware wallets

qml: styling updates qt6.10

This commit is a routine user-interface refresh for Electrum's mobile/desktop QML app, adjusting colors, spacing, button containers, and placeholder text to match newer Qt 6.10 styling. There is no security-relevant change and no indicatio…

cdb5c0b8by Sander van Grieken+209−17540 files
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Informational 18 AI analysisMessage 65 · Adequate
EL ElectrumElectrum BitcoinSoftware wallets

android: pin hostpython3 PyProjectRecipe versions, pin android and pyjnius recipes Cython version

This commit tightens the Android build process for the Electrum Bitcoin wallet by pinning exact versions of build tools (like Cython, pip, setuptools) and their cryptographic hashes. It also updates the version of python-for-android used. …

Pins build-time dependency versions and cryptographic hashesUpdates python-for-android pinned checkout commitAdds new pinned recipe overrides for android and pyjnius Cython prerequisites
74f3c042by Sander van Grieken+54−34 files
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Low 28 AI analysisMessage 50 · Thin
EL ElectrumElectrum BitcoinSoftware wallets

android: build pyqt_builder and sip ourselves, hash pin all hostpython_prerequisites

This commit updates the Android build setup for the Electrum Bitcoin wallet. It switches to a newer version of the python-for-android build tool, starts building two PyQt-related packages (pyqt_builder and sip) from source instead of relyi…

Hash-pinning of build-time Python dependencies (setuptools, pip)Source-build of pyqt_builder and sip instead of wheel installationpython-for-android checkout bump to newer commit
c8f5798dby Sander van Grieken+21−56 files
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Low 25 AI analysisMessage 73 · Adequate
EL ElectrumElectrum BitcoinSoftware wallets

qml: add workarounds for issue assigning custom types to QObject properties

This commit changes how the Electrum mobile/desktop QML GUI passes custom data objects between Python and the user interface. It switches many typed properties to the generic QVariant/'var' type and adds runtime type checks (asserts) in Py…

Type system relaxation: custom typed QML/Python properties changed to generic QVariant/varRuntime type enforcement added via assert statements in Python settersNo explicit security framing in commit message or diff
9772a6d5by Sander van Grieken+86−5924 files
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Moderate 62 AI analysisMessage 93 · Strong
EL ElectrumElectrum BitcoinSoftware wallets

verifier.py: fix CVE-2012-2459: reject left-sibling duplicates

This commit fixes a known Bitcoin weakness (CVE-2012-2459) in Electrum's light-client verification. Because Bitcoin's Merkle tree duplicates the last hash when a level has an odd number of items, an attacker can craft a block proof that ma…

Fixes CVE-2012-2459 (Merkle tree duplicate-node weakness)Adds explicit LeftSiblingDuplicate exceptionStrengthens SPV Merkle proof verification
3d390742by SomberNight+106−262 files
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Moderate 65 AI analysisMessage 50 · Thin
EL ElectrumElectrum BitcoinSoftware wallets

daemon: set restrictive permission on RPC-server unix domain socket

Electrum's background daemon runs a local control server using a Unix domain socket. Previously, that socket file was created with permissions 0775, meaning any user in the same group could connect to it and potentially control the wallet.…

permission tightening on local RPC socketacknowledged race condition between socket creation and chmodlocal privilege boundary issue (group-writable socket)
9d204abfby SomberNight+8−11 file
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Moderate 62 AI analysisMessage 78 · Adequate
EL ElectrumElectrum BitcoinSoftware wallets

in GUI mode, only start a limited minimal RPC server

This commit reduces the attack surface of Electrum's built-in remote-control server when running in normal GUI mode. Previously, the RPC server exposed many wallet-related commands; now, in GUI mode on mainnet, it only exposes two safe com…

Reduction of RPC attack surface in GUI modeUnencrypted localhost RPC with config-stored passwordWindows localhost TCP exposure of RPC server
d951a3d2by SomberNight+22−102 files
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Security candidatetests: wizard: use real bip39 seedsby SomberNight · f025a753 · Aug 15, 2025 · 1 fileMessage 55 · ThinInformational 15Details
Commit message · SomberNight

tests: wizard: use real bip39 seeds

55/100 · ThinMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Mentions testing or verification! No meaningful explanatory body
Why it was queued
secret or key material
AI analysis · Informational 15/100

This commit only updates test data in Electrum's test suite. It replaces fake/placeholder BIP39 seed phrases with the well-known standard test seed 'abandon abandon ... about' and updates the corresponding expected public keys and Bitcoin addresses. There is no change to production wallet code, no bug fix, and no security-relevant behavior change.

Security candidatewizard: add initial tests for KeystoreWizard for electrum and bip39 seeds, hwwby Sander van Grieken · 0c5403b9 · Aug 13, 2025 · 1 fileMessage 60 · AdequateInformational 15Details
Commit message · Sander van Grieken

wizard: add initial tests for KeystoreWizard for electrum and bip39 seeds, hww

60/100 · AdequateMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Mentions testing or verification! No meaningful explanatory body
Why it was queued
secret or key material
AI analysis · Informational 15/100

This commit only adds new automated tests for Electrum's wallet setup wizard. It does not change any production code, fix a bug, or alter security behavior. The tests verify that seed-based and hardware-wallet wizard flows produce the expected wallet keys.

Security candidatefix: psbt_nostr: don't allow to save tx without txidby f321x · 478fb483 · Aug 13, 2025 · 5 filesMessage 85 · StrongLow 34Details
Commit message · f321x

fix: psbt_nostr: don't allow to save tx without txid

Stops the psbt nostr plugin from trying to save transactions without
txid to the wallet history and doesn't give the user the option to do
so.

85/100 · StrongMessage clarity
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context
Why it was queued
signing boundarysigning or wallet path
AI analysis · Low 34/100

This commit fixes a bug in Electrum's PSBT-over-Nostr plugin. Previously, the plugin could try to save a Bitcoin transaction to the wallet history even when the transaction didn't yet have a transaction ID (txid). Such transactions are incomplete (for example, unsigned legacy transactions). Saving them could cause errors, confusion, or corrupt wallet state. The fix adds a check that prevents saving unless a txid exists, and hides or disables the 'Save to Wallet' button in the user interface when saving isn't allowed.

Security candidatefix: wizard: qml: call checkIfLast in WCHaveSeedby f321x · e6f73522 · Aug 11, 2025 · 1 fileMessage 100 · StrongInformational 22Details
Commit message · f321x

fix: wizard: qml: call checkIfLast in WCHaveSeed

When the user has already loaded a wallet in QML and tries to restore a
new wallet `WCHaveSeed.qml` incorrectly shows a `Finish` button instead
of a `Next` button and raises a KeyError if the user clicks on Finish
instead of resolving the passphrase input view (regression from
https://github.com/spesmilo/electrum/pull/10016).

This happens because `last` of `have_seed` depends on
`NewWalletWizard.is_single_password()` and NewWalletWizard.wants_ext(wizard_data).
`is_single_password()` is true if a wallet is already loaded,
while `wants_ext(wizard_data)` is false as `wants_ext()` depends on `seed_extend: True` in
`wizard_data` which only gets set after `apply()` of `WCHaveSeed` gets
called, however the evaluation of `WCHaveSeed` being the last view
happens before the view is shown.
By calling `checkIsLast()` in the validation timer of `WCHaveSeed` the
`last` property gets set again after `apply()` has been called, so
the view is guaranteed to correctly show either the `Finish` or `Next` button
after a seed has been entered.

100/100 · StrongMessage clarity
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context✓ Explains rationale or failure mode✓ Mentions testing or verification✓ Links an issue, advisory, or supporting reference
Why it was queued
access controlseed or entropy path
AI analysis · Informational 22/100

This is a small UI bug fix in Electrum's mobile-style (QML) wallet setup wizard. When restoring a wallet from a seed phrase while another wallet was already open, the wizard wrongly showed a 'Finish' button instead of 'Next'. Clicking it could trigger a crash (KeyError). The fix makes the wizard recalculate which button to show after the seed details are processed. It is not a security vulnerability in the cryptographic sense, just a user-experience regression that could confuse or crash the app.