Oyl

Oyl was founded in August 2023, building an Ordinals trading wallet for the Bitcoin ecosystem. In March 2024, it completed a $3 million pre-seed round led by Arca, with participation from BitMEX co-founder Arthur Hayes and BRC-20 creator Domo. Oyl developed the Metashrew open-source indexing framework and Sandshrew backend infrastructure, and launched the Protorunes meta-protocol based on these, enabling programmability for Runes assets and expanding Bitcoin layer-one application boundaries. Additionally, Oyl partnered with Arthur Hayes to launch the Airhead Ordinals collection, integrating whitelist and minting experiences into the wallet, showcasing its aggregator and transaction simulation capabilities. These milestones mark Oyl's evolution from a wallet tool toward Bitcoin DeFi infrastructure.

Oyl is the Bitcoin Layer 1 open-source infrastructure and wallet product line of Oyl Corp, with the official account @oylwallet and the entity registered in Dover, Delaware. It defines its contribution across four areas: indexing, protocol design, asset standards, and application-layer tooling aligned with Bitcoin's core values, with the goal of letting developers build unstoppable programmability on Bitcoin Layer 1 without custodians, bridges or compromise. The best-known product is Oyl Wallet, a Bitcoin wallet browser extension built for trading Ordinals, BRC-20 and Runes, listed on the Chrome Web Store with more than 10,000 users and a rating around 4.3, iterated to version 1.17.1 by 2026.

Wallet-level differentiation focuses on concrete pain points: a built-in marketplace aggregator that pulls from leading marketplaces and supports batch purchasing of inscriptions with everything managed in one place; automatic configuration of both Taproot and Segwit addresses so users do not accidentally spend inscriptions through derivation path mistakes; automated splitting and one-click UX for Runes and BRC-20 transfers; and a real-time activity feed with transaction monitoring. As Bitcoin metaprotocols evolved it added interaction with DeFi features built on the Alkanes metaprotocol. A change in maintenance should be recorded plainly: the extension page states that Oyl Wallet is currently maintained by the SUBFROST team, with updates via @SUBFROSTio. Ecosystem entries listed on the site include Ordiscan, a Bitcoin asset explorer, Unisat, Id Club for trading Alkanes and Orbitals, and Satonomy for UTXO management. Historically it also collaborated with Arthur Hayes on the Airhead collection.

Future strategy and roadmap: the direction is to keep building open-source Bitcoin Layer 1 infrastructure and asset standards, using the wallet as the delivery surface for indexing, protocol and application-layer capabilities, and extending programmability around metaprotocols such as Alkanes. The risk is deep exposure to the highly cyclical inscriptions and Runes vertical: the market cooled markedly after the 2023 inscription boom, liquidity across the Bitcoin ecosystem is limited, and Ordinals has long faced internal Bitcoin-community criticism over block space usage, so any tightening of core developer policy would hit its user base directly. Maintenance has also passed from Oyl to the SUBFROST team, leaving uncertainty over product continuity and brand ownership, while the wallet category faces direct competition from Unisat, Xverse, Leather and comparable products.

Alec Taggart — Co-founder & CEO.

Airhead (pseudonymous) — Founder & Chief Product Officer of Oyl Wallet; a Bitcoin builder focused on Alkanes, smart contracts and Ordinals.

Oyl is developed by the SUBFROST team, founded in 2023 and headquartered in New York.