# What is Blockspace Labs?

The research and development arm of Blockspace Holdings, at blockspacelabs.com.

URL: https://blockspace.wiki/answers/what-is-blockspace-labs/

[Blockspace Labs](https://blockspace.wiki/glossary/blockspace-labs/), at blockspacelabs.com, is the research and development arm of [Blockspace Holdings](https://blockspace.wiki/glossary/blockspace-holdings/): "research and development for Bitcoin blockspace". Its projects are cards. Live ones run today, such as the [sub-1 sat/vB relay](https://blockspace.wiki/glossary/sub-1-sat-vb-relay/) and blockspace.to. Research ones are descriptive studies, such as 4 MB transaction relay; as of 2026-10-20 they claim no results.

Sources:

- The blockspacelabs.com page (index.html) · https://blockspacelabs.com
- Blockspace Holdings records
- The project list at block.space/projects · https://block.space/projects

Updated: 2026-10-20