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About Ordinals
Ordinals is a Bitcoin-native protocol that assigns serial numbers to satoshis and allows arbitrary content to be inscribed onto individual satoshis, creating fully on-chain digital artifacts. provides a block explorer, while documents the ord wallet, Bitcoin Core integration, and indexing workflow.
The core narrative is “Bitcoin-native digital artifacts”: no new token, no sidechain, and direct reuse of Bitcoin’s security, immutability, and UTXO tracking. Rarity classes (mythic, legendary, epic, etc.) give individual satoshis collectible properties.
For pain points, traditional NFTs often store images or metadata off-chain or rely on smart-contract platforms, creating risks of broken links and platform dependence. Ordinals instead embeds data into transaction witness data, making it permanent on-chain. The trade-offs are block-space consumption, higher fees during congestion, lack of smart-contract programmability, and a protocol-level limit of roughly 400,000 weight units per inscription for Bitcoin Core relay.
Regarding development from 2026-03-04 to 2026-09-04, no major verifiable update was found in the search results. The explainer was updated on 2026-08-03, suggesting ongoing educational coverage. The main negative points remain network congestion, higher fees, and content-size limits.
Key milestones include the founder releasing Ordinals version 0.21.0, advancing core protocol capabilities. WikiLeaks inscribed the Afghanistan War Logs onto Bitcoin via Ordinals, embedding historical records permanently on-chain. Dynamic inscription artworks achieved first-ever auction at Christie's, marking institutional art-world validation. Cumulative inscription fees reached 6,877 BTC while total inscriptions exceeded 69 million, demonstrating sustained economic and adoption growth.
Founder: Casey Rodarmor is the sole founder of the Ordinals protocol; no reliable public information exists on other co-founders or current core executives.
Bio: 2010-2013 Google Site Reliability and Software Engineer; 2015 Chaincode Labs Software Engineer, contributed 15 patches to Bitcoin Core; 2015-2017 Oculus VR Software Engineer, Platform SDK; 2018-2022 Layer 1 Capital Head of Opportunity Fund Operations; founded Ordinals in January 2022, creating ordinals, inscriptions, and runes. Education: B.A. in Computer Science from UC Berkeley (2009).