Skip to content
blockspace.wikiEverything about Bitcoin blockspace, written down. Start with the basics

What is a Bitbar?

A bar-shaped inscription whose size is its name; the 1 kB Bitbar is exactly 1,024 bytes.

A Bitbar is 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. Seven 1 kB Bitbars were minted at mintbitbars.xyz, in blocks 872,656 to 873,182 (2024-11-30 to 2024-12-04).

Sources #

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

Updated 2026-10-20 · This page as Markdown

blockspace.wiki is written by Blockspace Holdings from its published documents and records and the live data of its own Bitcoin node and indexers. Every page cites its sources; corrections go in the errata.