Crypto wallets
Blockstream App privacy rating
Bitcoin and Liquid wallet from Blockstream, formerly Blockstream Green, with single-signature and two-factor multisig accounts, hardware wallet support and the option to connect to a personal Electrum server.
Summary
Blockstream App scores 35 out of 100 (grade F) on the crypto wallets criteria. It meets 1 of 4 criteria: no ads or data sales. It partly meets open source. It does not meet no trackers or telemetry and independent audit. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.
Score 35 out of 100. How scoring works
Criteria
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Partial
Open source Weight 3 of 3
Is all the source code needed to run the product public?
The Android, iOS and desktop apps are GPL-3.0, but the server that co-signs two-factor multisig accounts is closed source.
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No
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
Exodus finds Countly analytics in the Android app, and the blockstream.com website loads Google Analytics and Google Tag Manager.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Free app with no ads. The privacy policy states collected personal information is not sold.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.