Running Bitcoin Core Configuration file (Linux/macOS) or (Windows). Optional flag. Section markers The cmdline flag selects active network. Without , top-level options apply universally. Key options | Option | Effect | |--------|--------| | | UTXO cache MB. Default 450. Larger = faster IBD; 4-8 GB ideal during sync, can drop to 450 after. | | | Min disk MB. 550 keeps last 3 days. After IBD, reduces from 600 GB to 5 GB. Mutually exclusive with . | | | Maintains full tx index. Required for of arbitrary txs. 80 GB extra disk. | | | BIP157/158 filters; needed for Electrs/Neutrino. 6 GB extra. | |…