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What is Space Blocks?

Inscription #83,851,681: a 1 MiB image on Bitcoin, home at spaceblocks.art.

Space Blocks, at spaceblocks.art, is inscription #83,851,681: one JPEG of 1,047,584 bytes, 99.9 % of 1 MiB. It was inscribed in block 881,188, in one transaction of 1,054,167 WU, 26.4 % of the 4,000,000 WU block weight limit. The site's second page lists the inscriptions block.space classes as whole-block works, largest first.

Sources #

  1. The spaceblocks.art site: README, index.html, whole-blocks/ and tools/build.py · spaceblocks.art
  2. The project list at block.space/projects · block.space/projects
  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.