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ORC-20 tokens
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What Are ORC-20 Tokens?
ORC-20 tokens are fungible tokens on Bitcoin that use the ORC-20 standard, an open standard for Ordinals inscriptions. It was built to fix some limits of BRC-20, the first popular inscription token standard. This list ranks ORC-20 tokens by market cap, with live prices and 24h changes. ORC-20 is a niche standard, so few tokens use it.
Quick Facts
- Blockchain: Bitcoin, using Ordinals inscriptions.
- Creator: OrcDAO.
- Launch: ORC-20 was introduced in 2023.
- Based on: BRC-20. It is backward compatible, and BRC-20 tokens can be converted to ORC-20.
- Key features: Protection against double spending, editable supply and no limit on ticker length.
How ORC-20 Tokens Work
ORC-20 tokens are JSON text files inscribed onto satoshis, the smallest units of bitcoin. Inscriptions can deploy, mint, send and upgrade a token. ORC-20 follows Bitcoin's UTXO model. When you send tokens, the inscription states the amount for the receiver and the change that goes back to you. This makes the old balance invalid, which helps stop double spending. Mint and send inscriptions can be reused, which saves block space and fees.
ORC-20 vs BRC-20
- Supply: BRC-20 supply and mint limits are fixed at deployment. ORC-20 lets the deployer change them later.
- Double spending: ORC-20 uses the UTXO model to reduce the double-spending issues that indexers can cause with BRC-20.
- Names: BRC-20 tickers have a fixed length. ORC-20 has no length limit.
- Support: BRC-20 has much wider wallet and market support. See the BRC-20 tokens list.
Risks
ORC-20 is experimental and may contain bugs. Few wallets and markets support it, so tokens can be hard to trade. Converting a BRC-20 token to ORC-20 cannot be undone. Editable supply means a deployer could change token terms. Prices can be very volatile.
Related Lists
Frequently Asked Questions
- What are ORC-20 tokens?
ORC-20 tokens are fungible tokens on Bitcoin that use the ORC-20 standard for Ordinals inscriptions. OrcDAO created the standard in 2023 to improve on BRC-20. It adds protection against double spending, lets deployers change supply limits and removes the length limit on ticker names. It stays backward compatible with BRC-20.
- How do ORC-20 tokens work?
ORC-20 tokens are JSON text files inscribed onto satoshis on the Bitcoin blockchain. Inscriptions deploy, mint, send or upgrade a token. Following the UTXO model, each send states the amount for the receiver and the change for the sender. This cancels the old balance and helps prevent double spending.
- What is the difference between ORC-20 and BRC-20?
Both are Bitcoin token standards based on Ordinals inscriptions. BRC-20 came first and has fixed supply rules. ORC-20 lets deployers change supply and mint limits, uses the UTXO model to reduce double spending, allows longer ticker names and can reuse inscriptions. BRC-20 has far wider support from wallets and markets.
- Who created ORC-20?
ORC-20 was created by OrcDAO, a community group building tools for Bitcoin Ordinals. It was introduced in 2023, after BRC-20 made inscription tokens popular. OrcDAO designed it as an open standard that is backward compatible with BRC-20, so existing BRC-20 tokens can move to ORC-20 through a wrapper inscription.
- How do I buy ORC-20 tokens?
To buy ORC-20 tokens, you need a Bitcoin wallet that supports Ordinals inscriptions and the ORC-20 standard. You also need some BTC to pay network fees. Then you can trade on a marketplace that lists ORC-20 tokens. Very few platforms support the standard, so check that your wallet can show the balance first.
- Are ORC-20 tokens safe?
ORC-20 tokens are high risk. The standard is experimental and may contain bugs. Few wallets and markets support it, so tokens can be hard to sell. Because supply is editable, a deployer could change the token terms. Moving a BRC-20 token to ORC-20 cannot be reversed. Only risk money you can afford to lose.