Install an Electrum Server

Setup an Electrum server with Electrs.

An Electrum server is an indexing layer built on top of Bitcoin Core. It enables more efficient blockchain queries and easier wallet connections. Most wallets support Electrum connections.

Download Electrs on the Umbrel app store. It's a Rust implementation of Electrum server (sources). Then launch it, leave all settings at default and let it synchronize with the blockchain.

The electrum server syncs and re-indexes the blockchain to enable more efficient queries. This process will take approximately 12 hours to complete.