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Bitcoin NFTs? Ordinals Inscriptions Explained (Finding, Buying, & More)

BY Greg Larson

June 06, 2023

Bitcoin Ordinals have taken over Web3 — at least, that’s how it seems. The space has been buzzing since software engineer Casey Rodarmor launched the protocol on January 21, with some excited about the new upgrade and others swearing Ordinals off entirely. There are currently more than 10 million Ordinals minted at the time of writing.

Even though that number seems large, there are still many people who don’t yet know how to buy them, let alone create them. With higher barriers to entry, that means potential opportunities abound. But it also means higher risks. If you’re ready to take that chance and embrace the potential of Ordinals, we’re here to guide you on how to find, buy, and store them safely. First, it’s essential to understand a few critical points about Ordinals that the average NFT enthusiast might not know.

What are Ordinals?

Each Bitcoin is broken into 100,000,000 units called satoshis (or sats). The new Ordinals protocol allows people who operate Bitcoin nodes to inscribe each sat with data, creating something called an Ordinal. That data inscribed on Bitcoin can include smart contracts, which in turn enables NFTs. In rough terms, Ordinals are NFTs you can mint directly onto the Bitcoin blockchain.

But that’s not exactly right. That’s the short-hand understanding, but there are a few important differences between NFTs and Ordinals.

How are Ordinals different from NFTs?

NFTs on Ethereum (or an Ethereum Virtual Machine blockchain) often point to off-chain data on the Interplanetary File System (IPFS) — a decentralized file storage system, sort of like the blockchain’s hard drive — that can be changed using dynamic metadata. To illustrate, some NFT projects update the metadata of individual NFTs to improve image quality. They might even ask their holders to click the “refresh metadata” button on OpenSea to get the new, higher-quality image.

This ability to change an NFT’s metadata alludes to a deficiency Rodarmor was trying to improve when he created the new protocol. In Rodarmor’s estimation, NFTs are “incomplete” because many require off-chain data. On the other hand, Ordinals are “complete” in that all the data is inscribed directly on-chain. That’s why Rodarmor refers to them as digital artifacts, not Bitcoin NFTs. Moreover, NFTs often have creator royalties attached to them, whereas digital artifacts do not. According to Rodarmor, an Ordinal “is intended to reflect what NFTs should be, sometimes are, and what inscriptions always are, by their very nature.”

All this to say that Ordinals on Bitcoin may not only signal a cultural change for Bitcoin—they may actually be a technical improvement on NFTs. With that as the backdrop, here’s how to buy, receive, and store your first ordinals.

The environmental impact of Bitcoin Ordinals

The energy consumption of large blockchains is simply massive in scale, and Bitcoin is the largest blockchain in the world by market cap. What’s more, Bitcoin uses a proof-of-work (PoW) consensus mechanism to validate transactions and add them to the blockchain, which is an extremely energy-intensive process. Due to its size and PoW consensus mechanism, Bitcoin is leagues beyond other blockchains when it comes to energy requirements.

In August 2022, a report from the U.S. government estimated that Bitcoin accounted for 60-77 percent of global crypto-asset electricity usage. How much energy does this translate to? It’s difficult to pin down exactly, but reports from Digiconomist indicate that the combined energy usage of Bitcoin and Ethereum (before the historic Ethereum merge of September 2022) was over 317 TWh of energy annually, putting the chains somewhere between Italy and the United Kingdom in terms of electrical energy consumed. 

Yes, that is a lot of energy. But the context is important.

Many companies and industries consume more energy than countries. Blockchain is far from unique in this regard. Ultimately, Bitcoin’s energy needs rank near the lower end of rather small mining industries like copper and zinc. Bitcoin’s total annual energy consumption is also less than what the world’s residential air conditioning units require and lower than the energy needs of the world’s data centers (looking at you, Apple, Google, and Amazon).

And before you say that artists should go back to selling their art on t-shirts to make a living, please note that, according to Ngan Le at Princeton, “the fashion industry is currently responsible for more annual carbon emissions than all international flights and maritime shipping combined.”

Of course, this doesn’t mean that blockchain and NFTs don’t impact the environment. But the searing criticism is often exaggerated and missing necessary context.

Notable Ordinals inscriptions


The rise of Ordinals didn’t take long. Many fascinating collections and eye-popping sales took shape, with some individual pieces selling for hundreds of thousands of dollars. Ordinal Punks is one of the most notable projects to emerge in these early days. Paying homage to CryptoPunks, Ordinal Punks is a set of 100 Bitcoin NFTs minted within the first 650 Inscriptions on the Bitcoin chain — the highest numbered Inscription in the collection takes up spot #642.

18 Ordinal Punks
Credit: Ordinal Punks

Taproot Wizards

Beginning with Inscription #652, Taproot Wizards is an Ordinal collection of hand-drawn NFT wizards created by Web3 developer Udi Wertheimer. Why is this project so notable? It is said to be the largest block and transaction in Bitcoin’s history, coming in at a staggering 4MB. 


On the other side of the coin is the Ethereum-based collection OnChainMonkey (OCM). With Inscription 20,219,  the team minted 10,000 Ordinals into a single Inscription, making it one of the first 10k collections on Bitcoin. The OCM team notes that the size of the Inscription is less than 20,000 bytes, making their method a scalable model for other collections to use to create NFTs on Bitcoin without clogging the network.


Yuga Labs introduced its own Ordinals collection, titled TwelveFold, in February of 2023. In total, 288 of the 300 pieces were for auction, with Yuga holding back the remaining 12 for contributors, donations, and philanthropic efforts. The pieces, resembling dots that make up the collection, were crafted in-house by Yuga Labs’ art team using 3D modeling, algorithmic construction, and high-end rendering tools.

Bitcoin Frogs

Bitcoin Frogs, a set of 10,000 frog-themed digital art pieces, were minted in late February 2023. On May 17, 2023, Bitcoin Frogs became the most traded collection across all chains within 24 hours, even surpassing Bored Ape Yacht Club. Originally minted for free, it is now one of the most traded NFTs on Bitcoin, with a sales volume of over $12 million.


Then, there are Degods on Bitcoin. When the collection of 535 NFTs was first minted in March of 2023, the project quickly hit number one in 24-hour volume on Bitcoin, with the collection itself surpassing every other Ordinals project combined. Its currently ranked number 17 in terms of all-time high trading volume for Bitcoin NFTs. The DeGods community, initially a dominant player within the Solana ecosystem, is cementing its impact across multiple blockchain networks. 

As the Ordinals market matures, we will continue to see a host of other innovative collections emerge.

The rise of BRC-20 tokens

BRC-20 tokens, created by anonymous developer Domo in March 2023, represent an experimental standard similar to Ethereum’s ERC-20 tokens, built on the Bitcoin blockchain.

BRC-20 tokens are implemented using Ordinals, but not all Ordinals are BRC-20 tokens. For example, an ordinal that is created using software that does not conform to the BRC-20 standard is not a BRC-20 token. BRC-20 tokens embed JSON data in ordinal inscriptions, enabling users to launch, trade, and create new tokens. Some popular BRC-20 tokens include $OXBT and $ORDI, the first-ever BRC-20 token.

Read our full guide to learn more about the experimental token standard.

Cursed Inscriptions

The latest update to the Ordinals Protocol, version 0.6.0, has introduced a significant development known as “Cursed Inscriptions.” This update allows for the recognition and indexing of over 70,000 previously invalid inscriptions, providing an opportunity for trading these previously unsupported items. 

Cursed Inscriptions are assigned negative numbers, serving as a pathway for their transformation into positive inscriptions. However, it is important to note that negative inscription numbers can change as new types of Cursed Inscriptions are discovered and indexed, meaning holders of Cursed Inscriptions should expect shifts in their negative numbers. The introduction of these Cursed Inscriptions is expected to be embraced by exploration enthusiasts and marketplaces. 

Ordinals wallets

Until a few months ago, there was no designated wallet interface for those who wanted a place to store and transfer their Bitcoin Ordinals Inscriptions. However, that lack of Web3 infrastructure has rapidly begun to change. Multiple wallets have announced Bitcoin Ordinals-supported functionality, including Ordinals Wallet, Xverse, and Hiro Wallet. MetaMask has even partnered with Generative XYZ to offer users a place to store their Ordinals.

If you’re not a fan of the above options, you can also set up a Bitcoin wallet (like Sparrow) that allows enough customization to receive Ordinal inscriptions. Sparrow wallet is a desktop application that requires a handful of steps to make it compatible with Ordinals. Once you’ve downloaded Sparrow, follow this detailed tutorial on Github to make an Ordinal-compatible wallet.

If you follow this guide, you should not send BTC to or from this Ordinals wallet. This wallet is only for receiving Ordinals. If you send BTC from this new Ordinals wallet, you may accidentally send both your BTC and your Ordinal(s).

Buy, sell, and trade Ordinals

Now that you have your wallet set up, it’s time to check out Ordinals marketplaces to buy, sell, and trade Inscriptions. Originally, the first two marketplaces were Ordx and Ordswap. But since January, that list has grown to include and others.

Gamma, for example, has launched a trustless Bitcoin Ordinals marketplace. Its goal is to deliver a “remarkable Web3-native experience,” combining an open marketplace, creator tools, and integrations with secure third-party wallet extensions. You can not only buy and trade Ordinals on Gamma, but you can also create inscriptions. Most recently, Magic Eden launched its Bitcoin NFT Marketplace.

Ready to dive deeper? We recommend going directly to the source: Rodarmor’s Ordinal Theory Handbook.

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