In April 2024, coinciding with Bitcoin's block 840,000 halving, a new token standard called the Runes protocol went live. Created by Casey Rodarmor, the developer behind Bitcoin Ordinals, Runes aims to bring efficient fungible token issuance to Bitcoin without bloating the network.
What is Runes and who created it?
Runes is a protocol for creating, minting, and transferring fungible tokens directly on the Bitcoin blockchain. Unlike some other approaches, Runes embeds token data into Bitcoin transactions via OP_RETURN outputs, keeping data footprints minimal and avoiding blockchain bloat. It also leverages the Lightning Network for faster transfers. Rodarmor's main motivation was to replace the inefficient BRC-20 standard and improve on existing protocols like RGB and Taproot Assets by reducing on-chain overhead and simplifying UTXO management.
Design goals: declutter, attract users, enhance security
The protocol targets several pain points. First, reducing network congestion by encoding asset info directly into transactions. Second, lowering the barrier for meme coin creation to attract a broader user base. Third, inheriting Bitcoin's UTXO-based security model to minimize vulnerabilities. Fourth, providing comprehensive developer documentation to grow the ecosystem.
How it works: etching, minting, and edicts
Runes operates through three main actions. Etching is the creation of a new Rune token—users specify name, symbol, supply, divisibility, and optionally a premine. Minting can be open or closed; after etching, anyone (or only designated addresses) can mint new units. Edicts are transfer instructions; users send Runes by creating a transaction that includes edict data. Each Rune is identified by a unique Rune ID, a cryptographic hash linked to a specific UTXO.
Runes vs BRC-20: key differences
Both run on Bitcoin but differ significantly. Efficiency: BRC-20 uses JSON-based inscriptions (bulky data); Runes uses OP_RETURN (compact). Asset creation: BRC-20 requires multiple transactions; Runes is streamlined. Transfers: BRC-20 relies on sequential indexing (prone to issues); Runes uses UTXO for direct transfers. Compatibility: BRC-20 needs Ordinals wallets; Runes supports Lightning Network and SPV wallets. Security: BRC-20 can produce junk data; Runes has a built-in mechanism to eliminate poorly formed tokens, promoting a cleaner environment.
Meme coin catalyst and how to buy/sell
Rodarmor remarked, “I’m highly skeptical of ‘serious’ tokens, but runes are without a doubt a ‘serious’ token protocol.” Runes simplifies meme coin creation on Bitcoin, making it accessible even to non-technical users. To buy Runes, set up a Bitcoin wallet (e.g., UniSat), get some BTC, then visit marketplaces like Magic Eden, OKX, or UniSat to swap BTC for Runes. Selling is just as easy: list your Runes at a desired BTC price.
Despite an initial surge and subsequent decline in activity after the halving, the Runes protocol opens new possibilities for Bitcoin—allowing the oldest blockchain to host fungible tokens alongside its store-of-value role.