# primary market (blockspace)

URL: https://blockspace.wiki/glossary/primary-market/

The market for new blockspace: what a kilobyte in the next blocks costs, paid as the [fee rate](https://blockspace.wiki/glossary/fee-rate/) a new transaction bids to get its bytes into a block. space.market's next-block page prices it. Compare the [secondary market](https://blockspace.wiki/glossary/secondary-market/).

Sources:

- space.market: what a kilobyte in the next Bitcoin block costs · https://space.market
- space.market: what a kilobyte in the next block costs · https://space.market/next-block/

Updated: 2026-10-21