# How much of Bitcoin's blockspace do tokens use?

The live share of chain bytes the books attribute to tokens, with its height.

URL: https://blockspace.wiki/answers/how-much-blockspace-do-tokens-use/

In [Book A](https://blockspace.wiki/glossary/book-a/), the widest of BTI's books, tokens are attributed 133.75 GB, which is 17.21 % of the 777.06 GB of chain bytes the books cover (as of block 972,299, 2026-10-20 09:30:48 UTC). The narrowest, [Book C](https://blockspace.wiki/glossary/book-c/), file and message bodies alone, holds 4.68 %. In the July 2026 measurement run, data payload peaked at 45.4% of block bytes, at height 833,000.

Sources:

- block.space meter and summary APIs · https://block.space/api/summary
- block.space docs: BTI · https://block.space/docs/bti
- block.space docs: measurements · https://block.space/docs/measurements

Live figures: books as of block 972,299, 2026-10-20 09:30:48 UTC

Updated: 2026-10-20