# Bitbar

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

A bar-shaped inscription on Bitcoin whose size is its name: 1 kB (exactly 1,024 bytes), 64 kB, 128 kB and 256 kB. The 1 kB Bitbar is the hero of blockspace.holdings, "Exactly 1,024 bytes on Bitcoin Mainnet", and the page's copy of it must stay exactly 1,024 bytes.

Seven 1 kB Bitbars were minted at [mintbitbars.xyz](/projects/mintbitbars.xyz/), in blocks 872,656 to 873,182 (2024-11-30 to 2024-12-04).

Sources:

- Blockspace Holdings records
- The blockspace.holdings page (site/index.html) · https://blockspace.holdings
- A Bitbar minted at mintbitbars.xyz: inscription 78,595,962, block 872,656, on blockspace.to · https://blockspace.to/inscription/8fc8864b64d0133e9a9e5c1b267d5ee581703ebf6fb3e345691e139001d98c33i0

Updated: 2026-10-20