CalendeFi - ETHGlobal Project Description

Problem

DeFi adoption is hindered by complex interfaces and steep learning curves. Current crypto wallets require users to:

• Navigate unfamiliar dApp interfaces with poor UX patterns
• Manually execute transactions at specific times without built-in scheduling
• Coordinate group transactions through fragmented communication channels
• Switch between multiple applications for calendar management and crypto operations
• Learn entirely new interaction paradigms that don't leverage existing digital habits

The result? Millions of users who are comfortable with calendar applications remain excluded from DeFi opportunities due to technical barriers and poor user experience.

Solution

CalendeFi transforms any Google Calendar into a powerful, intent-based DeFi orchestration layer.

Instead of learning new interfaces, users leverage the familiar calendar paradigm they already use daily. By simply creating calendar events with specific titles, users can:

• Execute scheduled payment intents across multiple protocols
• Connect to any dApp through WalletConnect v2 integration
• Settle USD payments via PayPal USD (PYUSD)
• Create swaps and limit orders on Uniswap DEX
• Enable multisig approval through calendar RSVP voting
• Issue ENS subnames for calendar-based identity management

The innovation: We've created the first intent-based calendar-native DeFi orchestration platform, making cryptocurrency operations as simple as scheduling a meeting.

How It Works

Calendar Event Creation & Intent Parsing

User creates calendar event → Google Calendar API → Payment Intent Engine

• Natural Language Processing: "Send 5 ETH to fabianferno.eth tomorrow at 2pm"
• Intent Classification: Determines transaction type (transfer, swap, dApp connection)
• Parameter Extraction: Amount, recipient, timing, approval requirements

Multi-Protocol Intent Routing

Payment Intents → Protocol Router → [PayPal USD | Uniswap | WalletConnect | EVM Direct]

PayPal USD Integration

• Fiat-Crypto Bridge: Seamless USD settlement through PYUSD
• Real-world Payments: "Pay $100 to [email protected]"
• Cross-border Transfers: Instant international settlements

Uniswap DEX Integration

• Automated Swaps: "Swap 10 USDC to ETH at 3pm"
• Limit Orders: "Buy ETH when price drops to $2000"
• Liquidity Management: Scheduled LP position management

WalletConnect v2 Integration

• Universal dApp Access: Connect to any Web3 application
• Session Management: Persistent connections through calendar events
• Approval Workflows: RSVP-based connection authorization

Scheduled Intent Execution

Scheduled Intents → Execution Engine → EVM Networks (Multi-chain)

• Precise Timing: Execute at exact calendar event times
• Gas Optimization: Dynamic gas price estimation
• Cross-chain Support: Ethereum, Polygon, Arbitrum, Base

Multisig Approval via RSVP

Calendar Invites → RSVP Tracking → Approval Threshold → Execute/Reject

• Democratic Governance: Calendar attendees become transaction approvers
• Flexible Thresholds: Configurable approval percentages (50%, 66%, 100%)
• Real-time Voting: Live RSVP tracking with automatic execution

ENS Identity Integration

Calendar Identity → ENS Subname Issuance → Decentralized Identity

• Calendar-Native Identity: Auto-generate ENS subnames for calendars
• Human-readable Addresses: alice.calendefi.eth instead of 0x742d35...
• Identity Persistence: Consistent identity across sessions

Key Features

Intent-Based Architecture

• Natural Language Processing: Parse complex transaction intents from calendar titles
• Multi-Protocol Routing: Intelligent routing to optimal execution paths
• Scheduled Execution: Precise timing based on calendar events
• Conditional Logic: "If ETH > $3000, swap 10 ETH to USDC"

Traditional Finance Bridge

• PayPal USD Integration: Direct fiat settlement through PYUSD
• Real-world Payments: Pay contractors, vendors, services in USD
• Cross-border Transfers: Instant international money movement
• Banking Interface: Familiar payment patterns for Web2 users

Universal dApp Connectivity

• WalletConnect v2: Connect to any Web3 application seamlessly
• Session Persistence: Maintain connections across calendar sessions
• Approval Workflows: Democratic approval for dApp connections
• Security Controls: Granular permission management

Advanced DeFi Operations

• Automated Swaps: Schedule token exchanges at optimal times
• Limit Orders: Set price-triggered swap conditions
• Liquidity Management: Automated LP position management
• Yield Optimization: Scheduled rebalancing across protocols

Security & Governance

• Multisig via RSVP: Democratic transaction approval
• Deterministic Wallets: Reproducible, secure wallet generation
• No Key Storage: Private keys generated on-demand only
• Transaction Validation: Pre-execution safety checks

Identity & Interoperability

• ENS Integration: Calendar-based decentralized identity
• Cross-chain Support: Multi-EVM network compatibility
• Protocol Abstraction: Unified interface across DeFi protocols
• Web2-Web3 Bridge: Seamless traditional-to-crypto workflows

Future Scope

Short-term (3-6 months)

• AI-Powered Intent Recognition: Advanced NLP for complex transaction parsing
• More Protocol Integrations: Aave, Compound, Curve, 1inch
• Advanced Scheduling: Recurring payments, conditional execution
• Mobile-First Interface: Progressive Web App with native feel

Medium-term (6-12 months)

• Enterprise Treasury Management: Corporate multi-sig workflows
• Smart Contract Automation: Deploy and manage contracts via calendar
• Cross-chain Intent Routing: Optimal execution across multiple chains
• AI Trading Assistant: Intelligent market analysis and suggestions

Long-term (12+ months)

• Calendar-Native DeFi Protocol: Native blockchain for calendar operations
• Intent Marketplace: Trade and share complex transaction intents
• DAO-as-a-Calendar: Governance through calendar-based voting
• Regulatory Compliance: KYC/AML integration for institutional adoption

Vision: The Intent-Based Calendar Economy

• Calendar Standards: Open protocols for calendar-blockchain integration
• Intent Infrastructure: Decentralized intent execution network
• Social Finance: Community-driven financial coordination
• Autonomous Organizations: Calendar-governed DAOs and protocols

ETHGlobal Impact

CalendeFi introduces a new paradigm: Intent-Based Calendar Finance. By transforming familiar calendar interactions into sophisticated DeFi operations, we're solving the critical UX barrier that has prevented mainstream adoption.

Technical Innovation:

• Intent-Based Architecture: First calendar-native intent parsing and execution system
• Multi-Protocol Orchestration: Unified interface across PayPal, Uniswap, WalletConnect
• RSVP-Based Multisig: Novel governance mechanism using calendar responses
• Calendar-ENS Integration: Decentralized identity through calendar ownership

Market Disruption:

• $2.5T+ Traditional Finance: Bridge to existing financial workflows
• 2B+ Calendar Users: Massive addressable market of familiar interface users
• New Category Creation: "Calendar-Native Financial Infrastructure"
• Enterprise Adoption: Corporate treasury management revolution

Open Source Ecosystem:

• Modular Architecture: Reusable components for calendar-blockchain projects
• Protocol Standards: Open specifications for calendar-DeFi integration
• Developer Tools: SDK for building calendar-native financial applications
• Community Governance: Decentralized development through calendar voting

Real-World Impact:

• Financial Inclusion: Bring DeFi to non-technical users through familiar UX
• Corporate Adoption: Enable enterprises to leverage DeFi through existing tools
• Global Payments: Instant, low-cost international transfers via calendar
• Democratic Finance: Community-governed financial operations

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CalendeFi isn't just a wallet - it's the operating system for intent-based, calendar-native finance.

From scheduling meetings to orchestrating the future of finance.

🔧 How It Works (Based on Architecture)1. Calendar Event Creation & Intent Parsing User creates calendar event → Google Calendar API → Payment Intent Engine

Natural Language Processing: "Send 5 ETH to fabianferno.eth tomorrow at 2pm" Intent Classification: Determines transaction type (transfer, swap, dApp connection) Parameter Extraction: Amount, recipient, timing, approval requirements 2. Multi-Protocol Intent Routing Payment Intents → Protocol Router → [PayPal USD | Uniswap | WalletConnect | EVM Direct]🏦 PayPal USD Integration

Fiat-Crypto Bridge: Seamless USD settlement through PYUSD Real-world Payments: "Pay $100 to [email protected]" Cross-border Transfers: Instant international settlements 🦄 Uniswap DEX Integration

Automated Swaps: "Swap 10 USDC to ETH at 3pm" Limit Orders: "Buy ETH when price drops to $2000" Liquidity Management: Scheduled LP position management 🔗 WalletConnect v2 Integration

Universal dApp Access: Connect to any Web3 application Session Management: Persistent connections through calendar events Approval Workflows: RSVP-based connection authorization 3. Scheduled Intent Execution Scheduled Intents → Execution Engine → EVM Networks (Multi-chain)

Precise Timing: Execute at exact calendar event times Gas Optimization: Dynamic gas price estimation Cross-chain Support: Ethereum, Polygon, Arbitrum, Base 4. Multisig Approval via RSVP Calendar Invites → RSVP Tracking → Approval Threshold → Execute/Reject

Democratic Governance: Calendar attendees become transaction approvers Flexible Thresholds: Configurable approval percentages (50%, 66%, 100%) Real-time Voting: Live RSVP tracking with automatic execution 5. ENS Subname Integration Calendar Identity → ENS Subname Issuance → Decentralized Identity

Calendar-Native Identity: Auto-generate ENS subnames for calendars Human-readable Addresses: alice.calendefi.eth instead of 0x742d35... Identity Persistence: Consistent identity across sessions