
Ordinals refer to the process of assigning a unique, sequential number to each satoshi—the smallest unit of Bitcoin—and linking a piece of small data to that specific number. This enables the tracking and trading of these units directly on the blockchain. In essence, ordinals give every micro-bitcoin its own serial number and label.
A "satoshi" is the smallest denomination in Bitcoin, representing one hundred millionth of a single bitcoin. Ordinals assign an order to each satoshi; when users embed images, text, or other data within the transaction’s witness data, an indexer associates that content with a particular satoshi, creating a collectible entry commonly known in the community as an "inscription".
Ordinals became possible after Bitcoin protocol upgrades introduced a more flexible transaction structure and expanded witness data capacity, allowing for the storage and tracking of small data fragments on-chain. This fulfills the demand for directly storing and tagging content on the Bitcoin mainnet.
The Taproot upgrade brought advanced spending conditions and privacy enhancements to Bitcoin, while Segregated Witness (SegWit) ensured that extra data was stored in the witness section, separate from core validation logic. Developers leveraged these features to embed files or text within witness data, while external indexers continuously track and display these associations.
Ordinal numbering is based on the order in which satoshis are mined—similar to assigning a serial number to every micro "coin" as it is created. Data recording involves embedding small pieces of content into the witness section of a transaction, with indexers linking that content to a specific numbered satoshi.
In Bitcoin, users do not hold coins directly but instead control a set of UTXOs (Unspent Transaction Outputs), which function like a wallet full of change. The ordinal indexer tracks the movement of satoshis across different UTXOs to maintain the mapping between each satoshi and its linked content. Since witness data does not affect consensus validation, the network continues to operate as usual, but external indexers are responsible for parsing and displaying these bindings.
Ordinal inscriptions are the result of binding images, text, or small files to an individually numbered satoshi—essentially "engraving" data onto a micro-bitcoin and letting it circulate. The primary use cases include collectibles, digital art, on-chain proofs, and lightweight application prototypes.
Commonly, creators mint ordinal inscriptions for digital images or pixel art; collectors can view and transfer them using wallets and marketplaces that support ordinals. Developers may also use textual inscriptions for "readable contract fragments" or project documentation, enabling richer forms of expression within the Bitcoin ecosystem.
Both ordinals and NFTs serve to tag and trade unique digital assets. The key difference is that ordinals bind data directly to satoshis on the Bitcoin mainnet, while most NFTs rely on smart contracts and external storage links.
On blockchains like Ethereum, NFTs are managed by smart contracts that track token IDs and ownership; their associated content typically resides on IPFS or web servers and is referenced via links. Ordinals, in contrast, embed data fragments within Bitcoin transaction witness data, with indexers tracking by satoshi numbers. This approach is closer to Bitcoin's native design but offers less flexibility and programmability compared to smart contract-based NFT systems.
Ordinals affect Bitcoin’s block space and transaction fees because embedding data in the witness section consumes resources, potentially increasing fees during periods of high demand. This has sparked debate within the community about optimal use of block space.
From a network perspective, ordinals do not alter consensus rules. However, when inscription activity surges, miners may prioritize higher-fee transactions, causing ordinary transfers to experience slower confirmations and higher costs. On the positive side, ordinals introduce new native use cases for creators and collectors, expanding Bitcoin’s ecosystem with novel content and markets.
To participate in ordinals, you need a compatible wallet, sufficient funds for fees, and careful operational steps. The overall process is straightforward but attention to detail and risk management is crucial.
Step 1: Choose a wallet that supports ordinals and securely back up your mnemonic phrase. The mnemonic is your master key for asset recovery—store it offline and never share it with anyone.
Step 2: Prepare some bitcoin to pay for miner fees. Ordinal inscriptions consume additional witness space and typically incur higher fees than standard transfers—plan your budget accordingly.
Step 3: Mint or purchase ordinal inscriptions. To mint, upload your file or text through a supported service or custom tool to create a transaction containing witness data. When buying, verify both the inscription number and content before transferring ownership.
Step 4: Test with a small transfer first. Use a minimal amount to confirm addresses and formats are correct, reducing risks from UTXO management errors or incompatible address types.
On Gate, you can engage with ordinals by following or trading assets linked to the ordinal ecosystem and tracking trending inscriptions and project updates. Gate serves as an entry point into native Bitcoin content ecosystems.
In practice, search for tokens or sectors associated with ordinals on Gate—such as inscription-related tokens like ORDI—and monitor market announcements or research columns for fee changes and new projects. Always assess volatility and liquidity risks before any transaction.
Ordinals present both financial and content-related risks: financially, there are risks from price volatility, rising fees, UTXO management errors, or address mismatches; on the content side, copyright issues, illegal content, and long-term storage raise compliance concerns.
Always verify tools and contract addresses via official or trusted sources—beware of phishing sites and scam links. Once an inscription is recorded on-chain, it is nearly impossible to remove; creators and buyers should carefully consider copyright and legal liabilities. Set appropriate fees and confirmation counts to avoid cost overruns during peak periods due to fee bidding.
The future of ordinals centers around three main directions: more efficient indexing standards, improved fee management tools, and collaboration with Bitcoin scalability solutions or layer 2 protocols. The community is also exploring shifting certain logic or data to more suitable layers to reduce mainnet congestion.
As the ecosystem matures, tools will become easier to use while indexing consistency and anti-fraud capabilities improve. Spikes in miner fees may persist but markets will likely adapt by batching inscriptions during off-peak times. Layer 2 solutions and cross-chain displays could unlock new scenarios—but compliance and user education remain critical.
Ordinals assign unique numbers to each satoshi—the smallest unit of bitcoin—and bind small pieces of data to them, creating trackable on-chain entries known as "inscriptions". Leveraging Taproot upgrades and witness data with indexers maintaining these mappings, their primary application is digital collectibles. Participation requires an ordinal-compatible wallet, adequate miner fees, and strict risk management. Moving forward: follow relevant platforms and tool advancements; start small during low-fee periods; gradually deepen engagement—balancing experience with safety and compliance.
Ordinal inscriptions record data directly on the Bitcoin blockchain as an inseparable part of its history; whereas NFTs typically store only pointers on-chain while the actual data resides off-chain. As a result, ordinal inscriptions are more persistent—their data is permanently stored on the Bitcoin mainnet without reliance on external servers. Ownership is enforced via the UTXO model, closely tied to standard Bitcoin transactions.
Not all wallets natively support ordinal operations—they must have Taproot address compatibility and robust UTXO management features. Recommended wallets include Xverse and Unisat, which specialize in ordinal support; you can also experience ordinal inscription minting and trading on platforms like Gate. To check compatibility, see if your wallet supports Taproot addresses (starting with bc1p) as well as dedicated inscription management features.
The value of ordinal inscriptions arises from their scarcity, immutability, and native integration with the Bitcoin mainnet. Early inscriptions have timestamp advantages and collectible value; some artists or brands use them for creative expression. Pricing is determined by market supply and demand—similar to digital art or collectibles—but price volatility can be high. Be sure to understand risks before participating; do not follow trends blindly.
The cost of inscribing an ordinal mainly comprises two components: Bitcoin network gas fees (calculated as bytes x per-unit rate) plus any platform service fees (if applicable). Fees fluctuate based on network congestion—from a few dollars to several hundred dollars at peak times. To reduce costs, inscribe during off-peak periods and check real-time fee estimates on platforms like Gate. Once inscribed, data becomes permanently embedded in the blockchain—irreversible and immutable.
A large volume of ordinal inscriptions increases block size usage on Bitcoin, which may contribute to network congestion and higher transaction fees. However, this also drives adoption of scalability solutions (such as Lightning Network or Layer 2), further developing the Bitcoin ecosystem. In the long run, ordinals stimulate new applications for Bitcoin—even though they raise debates over "data bloat," they showcase the technical flexibility and extensibility of the network.


