Guides

Whether to run a node, how to connect your wallet to it, and how to fix it when it misbehaves.

What a node actually does for you, who benefits, and what you pay in disk, bandwidth and upkeep.

Disk numbers for 2026, what pruning removes, and how to decide.

Sparrow to Bitcoin Core on one machine, or over the LAN via an Electrum server or scoped RPC, plus how to confirm it is really your node.

Core vs electrs vs Fulcrum: what each does, what they need, and who should add an indexer.

RPC localhost binding, firewall, updates and SSH on a home or VPS node, with a read-only audit.

What Tor changes for a node, working settings for the proxy and an onion service, and the limits.

Healthy-node signs, a weekly and monthly checklist, and a safe upgrade procedure.

Read headers vs blocks, peers, disk and RAM to tell normal slowness from a real stall.

Three safe ways out of a full disk, what prune does and does not do, and sizing for home and VPS.

Parts list, NVMe boot, aarch64 binaries, a Pi-sized config, and when to buy a mini PC instead.