# Space Blocks

URL: https://blockspace.wiki/glossary/space-blocks/

Inscription #83,851,681: one JPEG, 1537 × 1537, of 1,047,584 bytes (99.9 % of 1 MiB), inscribed in block 881,188 in one transaction of 1,054,167 WU, 26.4 % of the [block weight](https://blockspace.wiki/glossary/block-weight/) limit. Its own line: "A 1 MiB image on Bitcoin: inscription #83,851,681, 1,047,584 bytes, in one transaction of 26 % of a block's weight limit." The image shows a glowing cube of circuitry marked 1MB floating in space, captioned SPACEBLOCK.

Sources:

- The spaceblocks.art site: README, index.html, whole-blocks/ and tools/build.py · https://spaceblocks.art
- Blockspace Holdings records

Updated: 2026-10-20