Fulcrum

A fast and nimble Electrum Server

Get it on umbrelOS

Version2.1.1-patch.1

CategoryBitcoin

Source codePublic

Developed byCalin Culianu 1 app

Submitted bySahil Phule 2 apps

Compatible withumbrelOS 0.5 or later

Run your personal Electrum server and connect your Electrum-compatible wallet, including BitBoxApp, BlueWallet, Electrum Wallet (Android and Desktop), Nunchuk (Desktop), Phoenix, and Sparrow Wallet to it instead of using a third-party Electrum server.

What's new

Version 2.1.1-patch.1+today

This security update upgrades the bundled Tor sidecar to 0.4.9.11, restoring Tor connectivity and including the latest Tor security fixes. The primary app version is unchanged.

Fulcrum 2.1.1 is a maintenance update with bug fixes and small protocol improvements.

Key improvements:

Added new Electrum RPC methods for checking address and scripthash status without subscribing
Improved peer connection throttling to avoid excessive connection churn
Reduced the amount of rollback work after an unclean shutdown

Full release notes are available at https://github.com/cculianu/Fulcrum/releases/tag/v2.1.1

Version 2.1.1+last month

Fulcrum 2.1.1 is a maintenance update with bug fixes and small protocol improvements.

Key improvements:

Added new Electrum RPC methods for checking address and scripthash status without subscribing
Improved peer connection throttling to avoid excessive connection churn
Reduced the amount of rollback work after an unclean shutdown

Full release notes are available at https://github.com/cculianu/Fulcrum/releases/tag/v2.1.1

Version 2.1.0+7 months ago

Fulcrum 2.1.0 is a minor upgrade that adds support for the new Electrum Cash protocol v1.6, which includes improvements mainly for Bitcoin. It also contains bugfixes, optimizations, and improvements to peering.

Key improvements:

Support for Electrum Cash protocol v1.6
Better peering behavior - Fulcrum no longer maintains active connections to all peers, reducing connection overhead
Fixed an esoteric crash bug when using UPnP with more than 1024 connected clients

Full release notes are available at https://github.com/cculianu/Fulcrum/releases/tag/v2.1.0

Version 2.0.0+9 months ago

🚨 This update will automatically trigger a full re-sync of your Fulcrum index. During the re-sync, wallets connected to Fulcrum won't be able to connect.

Fulcrum is now far more resilient to restarts, shutdowns, and power loss, avoiding the database corruption issues that notoriously plagued previous versions.

Full Fulcrum release notes are available at https://github.com/cculianu/Fulcrum/releases/tag/v2.0.0

Version 1.12.0-patch.2+9 months ago

This update adds support for Backups in umbrelOS 1.5.

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