Icon of Jam app on Umbrel App Store

Jam

Your sats. Your privacy. Your profit.

JoinMarket WebUI Org.

Open App Store on your umbrelOS device to install this app
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Screenshot 2 of Jam app on Umbrel App Store
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About this app

⚠️ Compatibility Notice: Jam is not yet compatible with Bitcoin Core v30 or any Bitcoin node version/implementation that has fully removed legacy bdb wallet support. If you are running the Bitcoin Node app alongside Jam, you can still use Jam by pinning the Bitcoin Core version to v29.2 in your Bitcoin Node app. See instructions in the following GitHub comment: https://github.com/joinmarket-webui/jam/issues/983#issuecomment-3437241631

Jam is a user-interface for JoinMarket with focus on user-friendliness. It is time for top-notch privacy for your bitcoin. Widespread use of JoinMarket improves bitcoin's fungibility and privacy for all.

The app provides sensible defaults and is easy to use for beginners while still providing the features advanced users expect.

What's new
Version 0.4.12 months ago
  • Fix: Total balance inconsistency
  • Config: Include new directory nodes in default config
  • UI: Various UI improvements and bugfixes

Full release notes can be found at https://github.com/joinmarket-webui/jam/releases

Version 0.4.05 months ago
  • Fidelity Bond: Ability to select destination jar when unlocking fidelity bond
  • Send: Color-coded checkboxes for UTXO states
  • Rescan: Show progress during timechain rescan
  • Orderbook: Ability to reload and/or hard refresh
  • Theme: Fast theme toggle in navbar
  • UI: Various UI improvements and bugfixes

Full release notes can be found at https://github.com/joinmarket-webui/jam/releases

Version 0.3.0last year
  • Send: Quickly freeze/unfreeze UTXOs
  • Send: Review eligible or selected UTXOs
  • Feature: Ability to trigger a rescan of the timechain
  • Orderbook: Display fidelity bond value and locktime data
  • Earn: Display simple stats on earn report
  • UI: Various UI improvements and bugfixes

Full release notes can be found at https://github.com/joinmarket-webui/jam/releases

Version 0.2.0-patch-20240521last year

This is a patch release that makes Jam v0.2.0 compatible with the Raspberry Pi 5 on umbrelOS.

Version 0.2.0last year
  • Feature: You can now renew an expired fidelity bond in a straightforward manner
  • Fees: Sending funds now allows for customizable fee settings for both direct and collaborative sends
  • Version: It's now readily apparent what version of Jam you're running, along with what version of JoinMarket
  • UI: Various UI improvements and bugfixes
Version 0.1.62 years ago
  • Import: Ability to import existing wallets
  • Fees: Fee estimations and limits are now shown before sending collaborative transactions
  • New translations: Chinese, Italian, Brazilian Portuguese, German
  • UI: Frozen balances are now shown at the jar level
  • UI: Various interface enhancements and consistent styling
Version 0.1.52 years ago
  • Fees: Allow min tx fee of 1sat/vbyte
  • Fees: Allow input for relative fee limit of 0.0001%
  • Bonds: Correctly display success screen after unlocking fb
  • Sweep: Display success screen after a scheduler run completes
  • Coin Control: Quick freeze/unfreeze utxos
  • Coin Control: Show jar total amount in detail view
Version 0.1.42 years ago
  • Speed up initial page load
  • Ability to spend (expired) fidelity bond
  • Improved settings page with subsections
Version 0.1.33 years ago
  • Quickly review/adapt fee settings before sweeping
  • Improved readability of Orderbook
  • Wait for bitcoind to accept RPC calls
Version 0.1.23 years ago
  • Display error message if backend is unreachable
Version 0.1.13 years ago
  • Basic fee settings
  • Display fee summary on Send page
  • Randomize mandatory fee config values on restarts
  • Show sum of selected UTXOs in Jar details view
  • Display transaction ID on successful direct-send
Version 0.0.103 years ago
  • In-app Orderbook
  • Improved Earn Report
  • Address-reuse warnings
  • Human-readable locktime for Fidelity Bonds
  • And, last but not least: the famed UTXO drill-down view
Version 0.0.93 years ago
Version 0.0.83 years ago
Version 0.0.63 years ago
Version 0.0.53 years ago
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