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

What is space.market?

The planned primary market for Bitcoin blockspace. Coming soon; nothing is built.

space.market is the primary market for Bitcoin blockspace: what a kilobyte in the next block costs, from the fee rate a new transaction pays. Live since 2026-10-20, it shows its node's fee estimates and block template every 10 minutes. Its counterpart for bytes already consumed is blockspace.markets.

Sources #

  1. space.market: what a kilobyte in the next Bitcoin block costs · space.market
  2. space.market's reading, rebuilt every 10 minutes (data/now.json) · space.market/data/now.json
  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.