# blockspace

URL: https://blockspace.wiki/glossary/blockspace/

The space in Bitcoin's blocks: the bytes of every transaction a block holds, which is limited by the block weight limit and paid for in fees.

Sources:

- Blockspace Value Theory · https://block.space/docs/bvt
- block.space docs: BTI · https://block.space/docs/bti

Updated: 2026-10-20