# sub-1 sat/vB relay

URL: https://blockspace.wiki/glossary/sub-1-sat-vb-relay/

Relaying and keeping transactions that pay less than 1 sat/vB, the default floor of Bitcoin Core. Blockspace Labs' node does it by running stock Bitcoin Core with minrelaytxfee=0; it is a Live Labs project.

Sources:

- The blockspacelabs.com page (index.html) · https://blockspacelabs.com
- Blockspace Holdings records

Updated: 2026-10-20