# What is space.market?

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

URL: https://blockspace.wiki/answers/what-is-space-market/

space.market is the primary market for Bitcoin blockspace: what a kilobyte in the next block costs, from the [fee rate](https://blockspace.wiki/glossary/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](/projects/blockspace.markets/).

Sources:

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

Updated: 2026-10-20