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LABS
Glossary

Co-Authorship Token

A Co-Authorship Token is a non-fungible or semi-fungible token (NFT/SFT) that represents a verifiable and immutable claim to co-authorship on a research paper or dataset.
Chainscore © 2026
definition
BLOCKCHAIN INTELLECTUAL PROPERTY

What is a Co-Authorship Token?

A Co-Authorship Token is a non-fungible token (NFT) that represents a fractional, verifiable, and tradable stake in the ownership and future revenue of a creative work, such as a book, song, or research paper.

A Co-Authorship Token (CAT) is a specialized non-fungible token (NFT) that digitally encodes and enforces the rights of multiple contributors to a single creative or intellectual asset. Unlike a standard NFT, which typically signifies sole ownership, a CAT uses a smart contract to immutably record the percentage stake, attribution, and royalty entitlements of each co-author. This transforms traditional, often informal, collaboration agreements into transparent, programmable, and liquid assets on a blockchain, providing a clear provenance and chain of title for collaborative works.

The core mechanism involves minting a fixed supply of tokens corresponding to 100% ownership of the work. The smart contract automatically distributes these tokens to contributors based on predefined terms, which can account for varying levels of contribution—such as writing, editing, research, or funding. Crucially, the contract can be programmed to enforce royalty splits, ensuring that any future revenue from sales, licensing, or usage is automatically distributed to token holders according to their stake. This automates royalty payments and eliminates disputes over revenue sharing.

Key applications include academic publishing, where researchers can tokenize a paper to share credit and future citation royalties; music production, allowing producers, lyricists, and vocalists to have a transparent stake in a song; and open-source software, where contributors can be rewarded for their commits. Platforms like Mint Songs or EulerBeats have pioneered models for fractionalized music ownership, while projects in the DeSci (Decentralized Science) movement use similar tokens to manage collaborative research.

From a technical perspective, co-authorship tokens are often built on standards that extend common NFT blueprints like ERC-721 or ERC-1155. These extensions add functionalities for managing a cap table of owners and executing automated revenue splits via programmable royalty features (e.g., ERC-2981). The immutability of the blockchain ensures the attribution is permanent and censorship-resistant, while the token's transferability allows co-authors to liquidate their future revenue streams or bring in new stakeholders.

Significant challenges remain, including legal recognition of tokenized ownership in traditional copyright law, the complexity of accurately quantifying creative contributions, and the potential for speculative trading to disincentivize genuine collaboration. However, by providing a transparent, automated framework for collaboration and monetization, co-authorship tokens represent a fundamental shift in how intellectual property is created, owned, and valued in the digital age.

how-it-works
MECHANISM

How Co-Authorship Tokens Work

A technical breakdown of the on-chain mechanics that enable collaborative ownership and revenue sharing for digital content.

A co-authorship token is a non-fungible token (NFT) that programmatically encodes ownership shares and revenue rights for a piece of digital content, such as an article, artwork, or research paper, on a blockchain. Unlike a standard NFT representing sole ownership, this token is typically fractionalized, minting a fixed supply of tokens that are distributed among contributors. These tokens are governed by a smart contract that automatically enforces the agreed-upon terms, such as the percentage of future sales or royalties each co-author is entitled to receive. This transforms informal collaboration into a verifiable, on-chain agreement.

The core mechanism relies on a smart contract that acts as the immutable rulebook for the collaboration. During minting, the contract defines the total supply, initial distribution to co-authors' wallets, and the royalty split for secondary market sales. This is often implemented using standards like ERC-721 or ERC-1155 with custom extensions. When a sale occurs on a supported marketplace, the marketplace's protocol interacts with the token's smart contract to query the royalty information, ensuring payments are split automatically and trustlessly according to the encoded percentages. This eliminates the need for manual reconciliation and enforces the agreement in perpetuity.

Key technical concepts include on-chain provenance and programmable royalties. Every transaction involving the token is recorded on the blockchain, creating a transparent and auditable history of ownership and revenue distribution. The royalty logic is immutable once deployed, preventing unilateral changes to the profit-sharing model. For example, if an article's NFT is sold, 40% of the sale price might go to the primary author, 30% to a co-writer, 20% to an editor, and 10% to a fact-checker—all executed automatically in a single transaction. This system is particularly powerful for ongoing revenue streams from platforms that respect NFT royalty standards.

key-features
MECHANICAL PROPERTIES

Key Features of Co-Authorship Tokens

Co-authorship tokens are a novel asset class that encode ownership, governance, and revenue rights for collaborative digital content directly on-chain.

01

On-Chain Provenance & Attribution

A co-authorship token's smart contract acts as an immutable, cryptographic record of a creative work's origin and contributors. It permanently links each contributor's wallet address to their specific share, creating a verifiable chain of custody for digital assets like AI art, music, or code. This solves the attribution problem in digital media by providing a single source of truth.

02

Programmable Revenue Splits

The core financial mechanism is a pre-configured, automatic revenue distribution enforced by the token's smart contract. When revenue (e.g., from NFT sales, streaming, or licensing) enters the contract, it is instantly and transparently split according to the encoded ownership percentages. This eliminates manual accounting and ensures fair, trustless payouts to all co-authors.

03

Fractionalized Ownership

These tokens represent fractional ownership stakes in a single creative asset. For example, a song NFT could be minted with 1,000,000 tokens, where the producer holds 400,000 (40%), the vocalist 300,000 (30%), and so on. This granularity allows for complex collaboration models and enables the trading of individual stakes on secondary markets without fragmenting the underlying asset.

04

Embedded Governance Rights

Token holdings often confer voting power over key decisions regarding the underlying asset. This can include:

  • Commercial Licensing: Approving or rejecting usage requests.
  • Revenue Model: Voting on new monetization strategies.
  • Future Iterations: Deciding on remixes, derivatives, or sequels. Governance transforms passive ownership into active stewardship of the collective asset.
05

Composability with DeFi

As standardized tokens (often ERC-20 or ERC-1155), co-authorship stakes can be integrated into the broader decentralized finance ecosystem. This enables novel financial primitives such as:

  • Collateralized Lending: Using future royalty streams as loan collateral.
  • Liquidity Pools: Providing liquidity for token trading pairs.
  • Automated Market Makers (AMMs): Enabling decentralized price discovery for creative work equity.
06

Example: Song Royalty NFTs

A practical implementation is the song royalty NFT, where a musical composition is tokenized. The producer, songwriter, and featured artists each receive a predefined percentage of tokens. Every time the song generates streaming revenue via a connected platform (e.g., Audius), the smart contract automatically distributes payments to each token holder's wallet, in real-time and without intermediaries.

primary-use-cases
CO-AUTHORSHIP TOKEN

Primary Use Cases & Applications

Co-authorship tokens are programmable, on-chain assets that represent fractional ownership and governance rights over a creative work, enabling new models for funding, attribution, and revenue sharing.

01

Fractionalized Ownership & Royalty Distribution

A co-authorship token fractionalizes ownership of a creative work (e.g., a song, research paper, or digital art) into tradeable units. Smart contracts automatically enforce pro-rata royalty distribution to all token holders from secondary sales or licensing revenue, creating a transparent and immutable revenue-sharing agreement. This automates payments that are traditionally managed by intermediaries.

02

Decentralized Governance & Creative Direction

Token holders can participate in on-chain governance to make collective decisions about the future of the work. This can include voting on:

  • Licensing deals and partnership proposals.
  • Revenue allocation for future development or marketing.
  • Derivative works and how the core IP can be expanded. This transforms passive investors into active stewards of the intellectual property.
03

Proof of Provenance & Immutable Attribution

Minting a work as a co-authorship token on a blockchain creates a cryptographically verifiable record of provenance. It permanently attributes contributions, timestamps creation, and establishes an immutable chain of custody. This is critical for academic papers, open-source software, and digital art, combating plagiarism and ensuring contributors receive lasting credit.

04

Collateralization & DeFi Integration

Co-authorship tokens, as verifiable on-chain assets, can be used as collateral in decentralized finance (DeFi) protocols. Creators and holders can borrow against future royalty streams or provide liquidity in specialized pools. This unlocks the liquidity of intellectual property, allowing creators to access capital without selling their ownership stake outright.

05

Community Funding & Patronage (NFT 2.0)

These tokens enable a community-funded patronage model beyond simple NFT sales. Supporters purchase tokens representing a share of the work's success, aligning incentives between creators and their community. This model is used for funding albums, films, and open-source projects, where backers are rewarded with a stake in the output, not just a perk.

06

Example: Music Royalty Tokens

A practical application is the tokenization of music royalties. Platforms like Royal or Opulous allow artists to issue tokens representing a percentage of a song's streaming royalties. Fans can purchase these tokens, becoming micro-patrons who earn a share of revenue from platforms like Spotify or Apple Music, demonstrated by artists like Nas and The Chainsmokers.

COMPARISON

Co-Authorship Token vs. Traditional Attribution

A technical comparison of blockchain-based co-authorship tokens and conventional attribution models for collaborative digital content.

Feature / MetricCo-Authorship TokenTraditional Attribution

Underlying Technology

Blockchain (e.g., Ethereum, Solana)

Centralized Database

Ownership Representation

Non-Fungible Token (NFT) or Fungible Token

Text Credit, Metadata Field

Provenance & Immutability

Automated Royalty Enforcement

Transferability / Liquidity

Permissionless Secondary Market

Non-Transferable

Verification Method

On-Chain Proof

Trust-Based / Platform-Dependent

Granular Contribution Splits

Programmable (e.g., 33.3%, 66.7%)

Manual / Ad-hoc

Standardization

Emerging Token Standards (ERC-721, SPL)

Platform-Specific Formats

ecosystem-usage
CO-AUTHORSHIP TOKEN

Ecosystem & Protocol Examples

Co-authorship tokens are a novel mechanism for crediting and rewarding collaborative work on-chain. These tokens represent fractional ownership or attribution rights over a created asset, such as an NFT, a piece of code, or a dataset.

01

The Core Concept: Fractional Attribution

A co-authorship token is a non-fungible token (NFT) or a semi-fungible token (SFT) that represents a verifiable claim to a share of the attribution, ownership, or revenue from a digital asset. It is minted to formally recognize the contribution of each collaborator, creating an immutable, on-chain record of provenance and rights distribution. This mechanism is crucial for establishing clear intellectual property frameworks in decentralized environments.

02

Mechanism: How It Works

The process typically involves a smart contract that mints the primary asset (e.g., an artwork NFT) alongside a set of associated co-authorship tokens.

  • Minting: Upon creation, the contract automatically issues co-authorship tokens to predefined contributor addresses.
  • Linking: These tokens are programmatically linked to the parent asset, often via a reference in the token's metadata or a dedicated registry.
  • Royalties: The smart contract can be configured to automatically split any secondary sales royalties or revenue according to the distribution of co-authorship tokens.
03

Use Case: Collaborative NFT Art

This is the most prominent application. Platforms like Async Art pioneered programmable art where multiple artists create "Layers" that form a Master artwork. Co-authorship tokens can represent ownership of each layer, allowing for complex, collaborative pieces where revenue and control are automatically shared. It solves the problem of crediting multiple contributors in a transparent, enforceable way.

04

Use Case: Open Source & Code Repositories

Projects like Radicle leverage similar concepts for decentralized code collaboration. Contributors to a codebase can be issued tokens representing their share of the project. These tokens can govern the repository, signal contribution weight, and potentially entitle holders to a share of future protocol revenue, creating a sustainable model for open-source development.

05

Technical Standardization (ERC-6110)

The ERC-6110 standard, also known as "Parent-Child NFT" or "Hierarchical NFTs," provides a formalized structure for this relationship. It defines a standard interface for NFTs (the "children") to explicitly declare a parent NFT. This enables:

  • Clear on-chain lineage and provenance.
  • Standardized discovery of all related assets.
  • Interoperability across wallets, marketplaces, and tools that support the standard.
06

Key Benefits & Challenges

Benefits:

  • Transparent Provenance: Immutable record of all contributors.
  • Automated Royalties: Trustless, programmable revenue splitting.
  • Composability: Co-authored assets can be integrated into broader DeFi and DAO ecosystems.

Challenges:

  • Legal Ambiguity: On-chain attribution does not necessarily equate to off-chain legal rights.
  • Standard Adoption: Requires broad support from marketplaces and wallets to realize full utility.
  • Sybil Resistance: Designing systems to prevent fraudulent or spammy "contributions" is difficult.
technical-considerations
CO-AUTHORSHIP TOKEN

Technical Considerations & Standards

Co-authorship tokens are programmable assets that formalize and manage collaborative contributions, requiring specific technical standards for issuance, governance, and interoperability.

01

Token Standards & Interoperability

Co-authorship tokens are typically issued using fungible token standards (like ERC-20) or semi-fungible standards (like ERC-1155) to represent fractional ownership. For unique, non-fungible contributions, NFT standards (ERC-721) are used. Interoperability across platforms is critical, requiring adherence to these widely adopted standards to ensure tokens can be traded on major marketplaces and integrated into DeFi protocols.

02

On-Chain Governance & Voting

A core technical feature is the integration of on-chain governance mechanisms. This allows token holders to vote directly on proposals regarding revenue distribution, licensing changes, or project direction. Implementation often uses governance token standards (like OpenZeppelin's Governor) or custom multi-signature wallets (Multi-sigs) to execute decisions, ensuring transparent and tamper-proof collaboration management.

03

Royalty Enforcement & Smart Contracts

Automated royalty distribution is enforced via immutable smart contract logic. When a tokenized asset (e.g., an NFT) is sold on a secondary market, the contract can automatically split proceeds according to pre-defined percentages among co-authors. This relies on standards like EIP-2981 (NFT Royalty Standard) to ensure royalties are respected across different marketplaces, preventing manual intervention and disputes.

04

Attestation & Proof of Contribution

To verify a contributor's role, systems use on-chain attestations or soulbound tokens (SBTs). These are non-transferable records that cryptographically prove a specific individual's involvement in a project. Frameworks like Ethereum Attestation Service (EAS) or Verifiable Credentials (VCs) provide a standardized way to issue and verify these proofs, which are essential for dispute resolution and establishing provenance.

05

Legal Wrapper Integration

To bridge on-chain tokens with real-world legal rights, co-authorship systems often integrate legal wrappers. This involves linking the token to an off-chain legal agreement (like a Limited Liability Company (LLC) operating agreement or a Decentralized Autonomous Organization (DAO) legal structure). The smart contract may reference a hash of the legal document, creating a hybrid system where on-chain actions can trigger enforceable off-chain obligations.

06

Sybil Resistance & Identity

Preventing a single entity from controlling multiple voting shares (Sybil attacks) is a key consideration. Projects implement identity verification layers, such as integration with proof-of-personhood protocols (e.g., Worldcoin, BrightID) or decentralized identifiers (DIDs). This ensures governance power is distributed among unique human contributors, preserving the integrity of the collaborative model.

benefits
CO-AUTHORSHIP TOKEN

Benefits & Advantages

Co-Authorship Tokens (CATs) are non-fungible tokens (NFTs) that represent a verifiable, on-chain stake in the creation of a digital asset. They provide a programmable framework for attribution, governance, and revenue sharing among contributors.

01

Immutable Attribution & Provenance

CATs provide a permanent, cryptographically verifiable record of contribution on a blockchain. This creates an on-chain provenance trail that cannot be altered, ensuring contributors receive immutable credit for their work. This is critical for establishing intellectual property rights and preventing plagiarism in digital art, research, and open-source software.

02

Programmable Revenue Sharing

Smart contracts embedded within CATs can automatically distribute royalties or revenue to all co-authors based on predefined splits. This enables permissionless value distribution for secondary sales, streaming fees, or licensing revenue. For example, a song with three co-authors could be programmed to split 40%/30%/30% of all future income automatically.

03

Decentralized Governance Rights

Holding a CAT can grant governance rights over the collaborative project, such as voting on future iterations, usage rights, or fund allocation. This transforms contribution into on-chain influence, allowing a decentralized group of creators to manage their shared asset without relying on a central intermediary.

04

Composable Financial Primitives

As standardized NFTs (often ERC-721 or ERC-1155), CATs can be integrated into the broader DeFi and NFT ecosystem. They can be used as collateral, fractionalized, traded on marketplaces, or bundled into index funds. This composability unlocks liquidity for creative work that was previously illiquid.

05

Reduced Friction in Collaboration

CATs automate and encode complex legal and financial agreements into transparent code. This reduces the need for traditional contracts, intermediaries, and manual payment reconciliation, lowering transaction costs and coordination overhead for global, ad-hoc creative teams.

06

New Incentive Models

CATs enable novel incentive structures like retroactive public goods funding or contributor mining, where early supporters and builders are rewarded with tokens proportional to their proven impact. This aligns long-term incentives between creators, maintainers, and the community.

challenges-criticisms
CO-AUTHORSHIP TOKEN

Challenges & Criticisms

While co-authorship tokens offer a novel mechanism for funding and governance, they face significant technical, legal, and market challenges that must be addressed for widespread adoption.

01

Legal Ambiguity & Regulatory Risk

Co-authorship tokens exist in a legal gray area, often blurring the lines between securities, utility tokens, and intellectual property rights. Key issues include:

  • Securities classification: Many models may be deemed unregistered securities under frameworks like the Howey Test, triggering strict regulatory compliance.
  • IP ownership disputes: Tokenizing a share of future revenue does not clearly define underlying copyright or patent ownership, leading to potential legal conflicts.
  • Jurisdictional variance: Regulations differ globally, creating compliance complexity for projects with international contributors and token holders.
02

Valuation & Liquidity Challenges

Accurately pricing and ensuring liquidity for these tokens is inherently difficult.

  • Speculative valuation: The token's value is tied to highly uncertain future revenue streams, making pricing more speculative than asset-backed tokens.
  • Illiquid markets: Most tokens trade on niche platforms with low volume, creating significant slippage and making it hard for holders to exit positions.
  • Revenue oracle problem: Reliably and trustlessly reporting off-chain revenue (e.g., book sales, streaming royalties) to the smart contract requires a secure oracle solution, which is a non-trivial technical challenge.
03

Governance & Contributor Disputes

Distributed ownership can lead to governance paralysis or conflict.

  • Decision-making friction: Token-holder voting on creative or business decisions (e.g., licensing deals, sequels) can be slow and may not align with the original creator's vision.
  • Tragedy of the anticommons: Too many rights-holders can make it impossible to reach consensus on commercialization, stifling the project.
  • Sybil attack vulnerability: Governance models are susceptible to manipulation if token distribution is not carefully designed to prevent the accumulation of voting power by a single entity.
04

Technical Implementation Risks

The smart contract infrastructure required is complex and introduces new attack vectors.

  • Smart contract vulnerabilities: Bugs in the revenue-splitting or governance logic can lead to lost or locked funds.
  • Oracle manipulation: If the system relies on an oracle for revenue data, that oracle becomes a central point of failure and a target for manipulation.
  • Platform dependency: Most implementations are tied to a specific blockchain, creating vendor lock-in and exposing holders to that chain's operational risks (e.g., congestion, high fees).
05

Market Adoption & Network Effects

Achieving critical mass for a functional marketplace faces significant hurdles.

  • Two-sided market problem: The model requires simultaneous adoption by both creators (to list projects) and investors (to provide capital), which is difficult to bootstrap.
  • Niche applicability: The model is best suited for specific, high-potential creative works, limiting its total addressable market compared to general-purpose DeFi tokens.
  • Competition with traditional models: Established platforms (e.g., Patreon, Kickstarter, traditional publishing) offer simpler, legally-tested alternatives for creator funding.
CO-AUTHORSHIP TOKEN

Frequently Asked Questions (FAQ)

Common questions about Co-Authorship Tokens (CATs), a novel mechanism for crediting and rewarding contributions to open-source software and research.

A Co-Authorship Token (CAT) is a non-transferable, on-chain attestation that represents a verifiable claim of contribution to a specific piece of intellectual work, such as a software repository or a research paper. It functions as a soulbound token (SBT) permanently linked to a contributor's wallet, creating a decentralized, immutable record of their work. Unlike fungible tokens, CATs are not for sale or trade; their value lies in establishing provable reputation and enabling new models for attribution and retroactive funding. They are often minted based on verifiable on-chain or off-chain activity, such as code commits, issue resolutions, or peer reviews, and can be used to distribute rewards or governance rights proportionally to contributors.

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Co-Authorship Token: Definition & DeSci Use Cases | ChainScore Glossary