Bitcoin Ordinals Glossary โ Every Term Explained
Confused by ordinals jargon? This glossary covers every term you'll encounter.
Core Terms
- Ordinal โ A protocol for numbering individual satoshis on Bitcoin
- Inscription โ Data (image, text, etc.) permanently written to a satoshi
- Satoshi (sat) โ Smallest Bitcoin unit (1 BTC = 100,000,000 sats)
- UTXO โ Unspent Transaction Output โ how Bitcoin tracks balances
- Rune โ Fungible token standard on Bitcoin (by Casey Rodarmor)
- BRC-20 โ Older token standard using inscriptions (mostly replaced by Runes)
- Taproot โ Bitcoin upgrade that enabled efficient inscriptions
- OP_RETURN โ Bitcoin opcode used by Runes for token data
Collection Terms
- Floor price โ Cheapest available item in a collection
- Inscription number โ Sequential number of when it was inscribed
- Content type โ MIME type (image/png, text/plain, etc.)
- Parent inscription โ Collection identifier inscription
Tools
- Look up inscriptions: Inscription Checker
- Browse collections: ordinals.best
- View gallery: ordinals.pics
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