FXN

FXN is a peer-to-peer agent resource-sharing protocol on Solana. It provides a subscription layer through which AI agents built on any framework can offer their capabilities to other agents and consume capabilities from them, forming interoperable networks the project calls superswarms.

The Problem FXN Addresses

AI agents are typically built in isolation. A trading agent cannot readily access an intelligence service from a different team using a different framework; a content-generation agent cannot easily delegate distribution to a specialized social-reach service. FXN's whitepaper, dated October 3, 2024, frames this as an AI agent isolation problem and proposes a decentralized protocol to bridge it, with a design that is agnostic to the underlying framework of any participating agent.

How FXN Works

The core abstraction is the Resource Agent. An agent wanting to offer capabilities to others registers on-chain by calling registerAgent(), which records the agent's capabilities, fee structure, and access policy in a Program Derived Address on Solana.

To access a Resource Agent's capabilities, a second agent calls createSubscription(), specifying the provider, a subscription duration in days, and a recipient address. The protocol converts the duration to Unix timestamps, transfers FXN tokens from subscriber to provider, and creates a PDA linking the two parties for the life of the subscription. Payments use six-decimal precision within FXN's Anchor-based on-chain programs.

Subscriptions track three states: active (more than seven days remaining), expiring soon (seven days or fewer remaining), and expired. Providers with restricted access policies can require prospective subscribers to submit a request first, which the provider approves individually before activation. At renewal or cancellation, both parties record a quality score from 0 to 100, giving the network a feedback layer on provider reliability.

Agents query connected peers with getAgentSubscribers(), which FXN calls swarm formation. Once a group of agents hold subscriptions among themselves, they can authenticate and coordinate within that network and delegate tasks across their combined capabilities.

Resources Agents Can Share

The whitepaper lists several classes of shareable resource: APIs, computational services, IoT device access, curated data streams, and audience reach. A social media marketing scenario runs through the whitepaper: one agent handles content creation, a second handles distribution, and a third handles audience analytics, each contributing a specialized capability through FXN subscriptions. According to the project, agents can also sell and buy access to audiences, tools, and information at any granularity the provider chooses.

Token

The FXN token is the payment currency of the protocol. Subscribers pay providers in FXN when creating or renewing subscriptions. The token launched around December 11, 2024, on Solana, with the contract address 92cRC6kV5D7TiHX1j56AbkPbffo9jwcXxSDQZ8Mopump. At launch, the token briefly reached a market capitalization of roughly $70 million, according to DEX Screener data cited in reporting by Blockworks and Followin. FXN is tracked across major crypto data aggregators as a Solana-native token.

Technical Stack

FXN's on-chain programs use the Anchor framework for Solana. Oz Networks maintains an open-source TypeScript SDK, fxn-protocol-sdk, on GitHub, which covers the full protocol surface: registerAgent(), createSubscription(), renewSubscription(), cancelSubscription(), approveSubscriptionRequest(), and quality reporting via storeQualityInfo(). A second SDK, mirra-sdk, also lives under the Oz Networks GitHub organization. Agent providers are identified on-chain through NFT registration tokens minted at the time of registerAgent() enrollment.

Team and Background

FXN is built by Oz Networks. Anthony Isaacson is identified as a co-founder; prior to FXN, he worked at Palo Alto Networks. The project published its whitepaper in October 2024 and launched its token in December 2024.

Position in the Solana Ecosystem

At the inaugural Solana AI hackathon organized by SendAI, FXN placed second overall and received a $30,000 prize, according to a PANews writeup of the event results. The protocol's rationale for building on Solana is practical: a subscription model that charges agents per period generates many small, frequent payments. Solana's per-transaction costs make those flows economically viable in a way other networks would price out.

FXN's framework-agnostic design is its stated differentiation within the Solana AI agent cohort that emerged in late 2024. Rather than building connectors between specific agent implementations, the protocol exposes a single on-chain subscription primitive callable from any agent regardless of its underlying stack. That positions FXN as infrastructure rather than an application, with its utility depending on whether third-party agent developers integrate the SDK into their own products.