As part of our Methodology, we ask:
If we can reproduce the binary we downloaded from the public source code, with all bytes accounted for, we call the product reproducible. This does not mean we audited the code but it’s the precondition to make sure the public code has relevance for the provided binary.
If the provider puts your funds at risk on purpose or by accident, security researchers can see this if they care to look. It also means that inside the company, engineers can verify that the release manager is releasing the product based on code known to all engineers on the team. A scammer would have to work under the potential eyes of security researchers. He would have to take more effort in hiding any exploit.
“Reproducible” does not mean “verified”. There is good reason to believe that security researchers as of today would not detect very blatant backdoors in the public source code before it gets exploited, much less if the attacker takes moderate efforts to hide it. This is especially true for less popular projects.
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The Analysis ¶
This does not represent a full code review.
Here we test if the latest version can be reproduced, following the known procedure expressed in our test script (?):
===== Begin Results =====
appId: io.horizontalsystems.bankwallet
signer: c1899493e440489178b8748851b72cbed50c282aaa8c03ae236a4652f8c4f27b
apkVersionName: 0.27.0
apkVersionCode: 68
verdict: reproducible
appHash: d8fea2bae72514eddb4c32ccb21b3ba3c699ce95ee4d7fbb20b8da0b8b473c41
commit: 645d587fb3c3825da0ebfb9be13ff9fd31837a09
Diff:
Only in /tmp/fromPlay_io.horizontalsystems.bankwallet_68/META-INF: MANIFEST.MF
Only in /tmp/fromPlay_io.horizontalsystems.bankwallet_68/META-INF: RELEASEK.RSA
Only in /tmp/fromPlay_io.horizontalsystems.bankwallet_68/META-INF: RELEASEK.SF
Revision, tag (and its signature):
===== End Results =====
which is what we want to see to give this wallet the verdict: reproducible
Thank you to Horizontal Systems for repeat donations
- $200 on 2021-12-23
- $200 on 2021-04-13
- $200 on 2020-12-09
(lw)
Do your own research!
Try out searching for "lost bitcoins", "stole my money" or "scammers" together with the wallet's name, even if you think the wallet is generally trustworthy. For all the bigger wallets you will find accusations. Make sure you understand why they were made and if you are comfortable with the provider's reaction.
If you find something we should include, you can create an issue or edit this analysis yourself and create a merge request for your changes.