Denver, Colorado — February 18, 2026
Executive Summary
CoinFello has officially introduced its onchain AI agent at ETHDenver, presenting the technology to attendees during the conference’s opening ceremonies. The debut includes early access through a preview application called BuffiBot, developed specifically for ETHDenver as the event’s official AI assistant. While BuffiBot serves as a live deployment tailored to conference navigation, CoinFello’s broader platform is designed to enable AI-driven interaction with smart contracts through a conversational interface. The system allows users to interpret, execute, and automate smart contract activity in plain language while maintaining self-custody. CoinFello is also launching as an EIP-8004 agent, enabling interoperability within Ethereum’s emerging agent ecosystem. Conference attendees will receive exclusive early access to CoinFello, with broader availability continuing beyond the event.
Announcement Overview
CoinFello made its formal public debut at ETHDenver, one of the Ethereum ecosystem’s most widely attended developer conferences, by introducing its onchain AI agent to attendees during opening ceremonies. The launch marks the platform’s first live public integration and places the technology directly in front of a concentrated audience of builders, developers, and decentralized infrastructure participants.
As part of the launch, CoinFello introduced BuffiBot, a special preview application developed exclusively for ETHDenver. BuffiBot operates as the conference’s official AI assistant and is accessible through the ETHDenver mobile application. Attendees can interact with BuffiBot using text or real-time voice commands to retrieve event information, including schedules, speaker details, workshop listings, expo vendors, and side events.
While BuffiBot represents a focused deployment tied to the event, the underlying infrastructure reflects CoinFello’s broader product direction. The system demonstrates how conversational AI can be integrated with decentralized applications and smart contract protocols to deliver functionality in plain language without relying on traditional browser-based decentralized interfaces.
Key Announcement Details
- Announcement Category: Product debut and live onchain AI agent deployment
- Product Name: CoinFello
- Preview Deployment Name: BuffiBot
- Deployment Context: ETHDenver conference integration
- Conference Role: Official AI assistant for ETHDenver
- Debut Ceremony: Introduced during ETHDenver opening ceremonies
- Debut Location: Denver, Colorado
- Debut Date: February 18, 2026
- Deployment Environment: ETHDenver mobile application
- User Interaction Format: Conversational interface
- Supported Interaction Modes: Text input, real-time voice interaction
- Primary System Function: Interpretation and execution of smart contract interactions
- Execution Types Supported: Synchronous smart contract actions, asynchronous smart contract actions
- User Intent Processing: Context interpretation and user-defined intent execution
- Wallet Context Capability: Analysis of wallet history to surface relevant tokens, protocols, and actions
- Decentralized Application Dependency: Reduces reliance on browser-based dApps
- Blockchain Network Compatibility: EVM-compatible networks
- AI Operating Model: Self-custodied AI execution environment
- AI Infrastructure Layer: EigenAI-enabled environment
- Wallet Permission Framework: Integration with MetaMask Smart Accounts Kit
- Permission Model: Granular and transitive permissioning for onchain execution
- Interoperability Standard: EIP-8004-compliant AI agent
- Agent-to-Agent Capability: Callable by other compatible Ethereum-based AI agents
- Access During Conference: Exclusive early access for ETHDenver attendees
- Public Waitlist Requirement at Event: Not required for ETHDenver attendees
- Post-Conference Access: Continued access to CoinFello platform
- Event-Specific Feature Continuity: BuffiBot remains exclusive to ETHDenver
- Founder Identity: JacobC.eth
- Founder Prior Position: Lead of Operations for MetaMask at ConsenSys
- Founder Prior Focus Area: Growth and monetization strategy for Ethereum wallet infrastructure
- Quoted Ecosystem Participant: Ryan McPeck, Product Lead at ConsenSys (MetaMask Smart Accounts Kit)
- Quoted Event Representative: John Paller, Founder of ETHDenver
- Current Product Availability Status: Private alpha for end users
- Planned Availability Expansion: Developer versions expected
Live Deployment at ETHDenver
ETHDenver served as the launch environment for CoinFello’s first public integration. By introducing BuffiBot during the conference’s opening ceremonies, the team positioned the platform within a live, high-density builder environment where attendees engage directly with Ethereum-native applications.
BuffiBot was developed specifically for the event to act as a conversational layer over the conference’s programming. ETHDenver features hundreds of sessions, workshops, vendors, and side events, often distributed across multiple venues and time blocks. BuffiBot consolidates this information into a single conversational interface, allowing attendees to retrieve structured details without navigating static schedules or fragmented information sources.
The application supports both text-based interaction and real-time voice input, allowing users to ask natural-language questions about the event. Instead of manually filtering schedules or scrolling through session listings, attendees can query the assistant conversationally. This design demonstrates how AI agents can synthesize structured event data and provide contextually relevant responses in real time.
Although the ETHDenver integration is event-specific, the live deployment illustrates a broader principle: conversational AI can function as an interaction layer between users and structured onchain or offchain data environments.
CoinFello’s Onchain AI Architecture
Beyond conference support, CoinFello is designed as an AI application capable of interacting directly with smart contract protocols. The platform interprets user intent expressed in natural language, translates that intent into executable actions, and facilitates both synchronous and asynchronous smart contract interactions.
Through a chat-based interface, users define objectives in plain language. The AI agent interprets context and determines relevant protocols, tokens, or smart contract calls required to fulfill the request. The system is structured to surface smart contract functionality without requiring users to manually navigate browser-based decentralized applications.
CoinFello analyzes a user’s wallet history to identify relevant assets, protocols, and potential next actions. By referencing wallet-level activity, the agent can provide contextual prompts and options aligned with the user’s existing onchain footprint. This reduces dependency on separate front-end interfaces and streamlines access to decentralized functionality.
The platform is built to present smart contract operations in plain language, translating complex execution logic into accessible steps. Rather than presenting raw transaction parameters, the interface communicates actions in human-readable terms before execution.
EIP-8004 Agent and Ecosystem Interoperability
CoinFello is launching as an EIP-8004 agent, enabling the system to be called by other AI agents within Ethereum’s evolving agent ecosystem. This standardization supports composability between agent systems operating on EVM-compatible networks.
By aligning with EIP-8004, CoinFello positions itself within an emerging category of agent-to-agent communication frameworks. In this environment, AI agents can trigger, coordinate, or delegate tasks across decentralized systems while maintaining compatibility standards.
This approach reflects a broader shift within Ethereum infrastructure toward programmable, interoperable automation layers that extend beyond static contract calls. The EIP-8004 designation allows CoinFello to function as both a user-facing agent and a callable component within multi-agent workflows.
Wallet Integration and Self-Custody Framework
CoinFello integrates the MetaMask Smart Accounts Kit to support user-controlled asset management within agent-executed workflows. The integration allows granular permissioning, enabling users to define how actions are executed onchain.
Ryan McPeck, Product Lead at Consensys for the MetaMask Smart Accounts Kit, stated that the collaboration supports a future where AI agents can safely act on behalf of users under defined permission structures. The Smart Accounts framework enables transitive and granular permissions, allowing individuals to set boundaries around execution authority.
The system leverages EigenAI to maintain a self-custodied AI environment. This architecture ensures that users retain control over their assets while interacting with agent-driven automation. The emphasis on self-custody aligns with Ethereum’s broader design philosophy, ensuring that AI augmentation does not compromise user sovereignty.
Founder Background and Platform Direction
CoinFello was founded by JacobC.eth, previously Lead of Operations for MetaMask at ConsenSys. During his tenure at MetaMask, he contributed to the development of growth and monetization strategies for one of Ethereum’s most widely used wallet infrastructures.
His background in wallet operations and user growth informs CoinFello’s emphasis on accessibility and user experience. The platform’s design centers on reducing friction in decentralized interactions by shifting execution complexity behind a conversational interface.
JacobC.eth stated that traditional crypto user experience models have reached saturation and that agentic AI enables onchain execution and DeFi interactions to become accessible through familiar interfaces. The platform’s objective is to expand usability without diluting the core properties of self-custody and onchain transparency.
ETHDenver Perspective
ETHDenver has long positioned itself as a venue where infrastructure experiments move from theory to live deployment. By introducing CoinFello during opening ceremonies, the team placed the agent directly in front of a concentrated audience of Ethereum-native developers, protocol contributors, and ecosystem builders.
John Paller, Founder of ETHDenver, framed the debut within the event’s broader ethos of frontier experimentation. The conference setting is structured around hackathons, workshops, and protocol demonstrations, making it a natural proving ground for technologies that sit at the intersection of decentralized infrastructure and automation.
Within that context, BuffiBot functioned not merely as a scheduling assistant but as a live demonstration of how conversational agents can interface with structured event data in real time. The deployment allowed attendees to experience agent-driven coordination in a practical environment, rather than as a conceptual roadmap item.
By embedding the assistant inside the ETHDenver mobile application, CoinFello showcased how AI agents can operate within existing user flows without requiring participants to adopt separate tools or workflows. The live rollout provided a controlled but active environment where user interaction, performance, and response handling could be observed in real time.
Access Model and Post-Conference Availability
Access to CoinFello during ETHDenver was structured as an exclusive preview for conference attendees. Participants were able to use the system without joining the public waitlist, creating a defined early-access cohort within a live, high-engagement environment.
This limited-access approach enabled CoinFello to introduce the broader platform while maintaining focused onboarding during the event. BuffiBot remains exclusive to ETHDenver, preserving its function as the conference’s dedicated assistant.
Following the event, access to CoinFello continues beyond the conference environment, transitioning from event-specific deployment to broader platform availability. This staged rollout distinguishes between the BuffiBot conference experience and the underlying CoinFello infrastructure, which is positioned for ongoing user engagement beyond ETHDenver.
Broader Implications of Agent-Driven Interfaces
The introduction of CoinFello reflects an architectural evolution in how users interact with decentralized infrastructure. Rather than relying solely on graphical user interfaces designed for manual navigation, conversational agents introduce an abstraction layer capable of interpreting intent and orchestrating execution flows.
In this model, smart contract protocols remain foundational, but user interaction shifts toward natural language prompts. The interface becomes a mediator between human objectives and programmable logic.
By embedding agent functionality within a self-custodied wallet framework, CoinFello aligns automation with user-defined permissioning. This structure preserves user control while reducing operational complexity.
About CoinFello
CoinFello is a blockchain-native software company developing AI agent infrastructure for direct interaction with smart contract protocols. Founded by JacobC.eth, formerly Lead of Operations for MetaMask at ConsenSys, the company focuses on building conversational systems capable of interpreting user intent and executing onchain transactions within self-custodied environments.
The platform is designed to enable users to initiate, manage, and automate decentralized protocol interactions through a plain-language interface. CoinFello supports EVM-compatible networks and integrates the MetaMask Smart Accounts Kit to facilitate permissioned transaction execution under user-defined controls. Its architecture incorporates EigenAI to maintain a self-custodied AI operating layer in which wallet authorization remains under user control.
CoinFello is launching as an EIP-8004-compliant agent, enabling interoperability within Ethereum’s agent coordination standards and allowing invocation by other compatible AI agents. The system is currently available in private alpha for end users, with developer versions expected to follow.
The company’s product architecture combines conversational AI, smart contract execution logic, wallet permission frameworks, and agent interoperability standards into a unified execution layer for decentralized environments.
Media Contact
For additional information, visit coinfello.com.
Source Attribution
Source: Company announcement