ChronoPay is a decentralized time-tokenization and scheduling marketplace built on the Stellar network.
It enables individuals and professionals to tokenize their future time slots as tradable digital assets, allowing time to be bought, sold, reserved, and traded globally.

By representing time as a tokenized asset, ChronoPay creates a global market for human time, enabling efficient scheduling, secondary trading of time slots, and programmable appointment settlements.

The protocol introduces a new financial primitive:

Tokenized Human Time

Time is one of the most valuable resources in modern economies.
Professionals across industries sell their time:

• consultants
• doctors
• coaches
• creators
• developers
• gig workers

However, the current infrastructure for managing and monetizing time is inefficient.

Example scenario:

A consultant books 10 hours next week, but later becomes unavailable.

Those time slots represent lost economic value.

There is currently no financial infrastructure that treats time as a tradable asset.

ChronoPay enables professionals to tokenize future time slots into digital assets on the Stellar network.

Each time slot is minted as a Time Token that represents the right to redeem that slot.

CONSULT-APR10-10AM Duration: 1 Hour Owner: Alice Price: $100

Ownership of the token represents ownership of the appointment slot.

Users can:

• purchase time slots
• resell unused time
• book future appointments
• redeem time tokens for services

Professionals can mint tokens representing specific time slots.

Users can buy and sell time tokens globally.

Unused time slots can be resold on the marketplace.

Token redemption triggers appointment scheduling automatically.

Users can book services far in advance through tokenized slots.

ChronoPay leverages the capabilities of the Stellar blockchain.

Stellar provides the ideal infrastructure for high-frequency financial assets representing time.

flowchart LR

Professional[Professional]
User[User]

Frontend[ChronoPay Platform]
API[API Gateway]

TokenEngine[Time Token Minting Engine]
Marketplace[Marketplace Engine]
Scheduler[Scheduling Engine]

Calendar[Calendar Integration]

Stellar[Stellar Network]

Professional --> Frontend
User --> Frontend

Frontend --> API

API --> TokenEngine
API --> Marketplace
API --> Scheduler

TokenEngine --> Stellar
Scheduler --> Calendar
Marketplace --> Stellar

flowchart TB

Client[User Application]

Frontend[ChronoPay Dashboard]

API[API Gateway]

IdentityService[Identity & Profile Service]
TokenService[Time Token Service]
MarketplaceService[Marketplace Engine]
SchedulingService[Scheduling Engine]
RedemptionService[Token Redemption Service]

Database[(PostgreSQL)]
Cache[(Redis)]

CalendarAPI[External Calendar APIs]

StellarNode[Stellar Horizon Node]

Client --> Frontend
Frontend --> API

API --> IdentityService
API --> TokenService
API --> MarketplaceService
API --> SchedulingService
API --> RedemptionService

SchedulingService --> CalendarAPI

TokenService --> StellarNode
MarketplaceService --> StellarNode

sequenceDiagram

participant Professional
participant Platform
participant TokenEngine
participant Stellar

Professional->>Platform: Create Time Slot

Platform->>TokenEngine: Mint Time Token

TokenEngine->>Stellar: Issue Asset

Stellar->>Professional: Token Issued

Each time slot becomes a unique token representing that time window.

sequenceDiagram

participant Buyer
participant Marketplace
participant Stellar
participant Seller

Buyer->>Marketplace: Buy Time Token

Marketplace->>Stellar: Transfer Token

Stellar->>Seller: Payment Settlement

Stellar->>Buyer: Token Ownership

The buyer now owns the time slot.

flowchart LR

User[Token Holder]
Redeem[Redemption Service]
Scheduler[Scheduling Engine]
Calendar[Calendar System]
Professional[Professional]

User --> Redeem
Redeem --> Scheduler
Scheduler --> Calendar
Calendar --> Professional

Redeeming the token schedules the appointment.

erDiagram

USER {
  string id
  string wallet
  string name
}

PROFESSIONAL {
  string id
  string wallet
  string specialty
}

TIME_SLOT {
  string id
  datetime start_time
  datetime end_time
  string professional_id
}

TIME_TOKEN {
  string asset_code
  string issuer
  string slot_id
}

TRADE {
  string id
  string buyer
  string seller
  float price
}

PROFESSIONAL ||--o{ TIME_SLOT : creates
TIME_SLOT ||--|| TIME_TOKEN : tokenized_as
TIME_TOKEN ||--o{ TRADE : traded_in

Each time token includes the following attributes.

Smart contracts manage token issuance, transfers, and redemption.

Example functions:

• create_time_slot(professional, start_time, end_time)
• mint_time_token(slot_id)
• buy_time_token(token_id)
• redeem_time_token(token_id)

Contracts enforce ownership and redemption rules.

ChronoPay incorporates multiple security mechanisms.

ChronoPay generates revenue through the time marketplace.

• Phase 1: time token minting, marketplace trading, token redemption scheduling
• Phase 2: dynamic time pricing, professional discovery marketplace, calendar integrations
• Phase 3: time derivatives markets, institutional scheduling platforms, global time liquidity markets

ChronoPay introduces a new financial primitive: tokenized human time.

Benefits include:

• efficient time allocation
• global service discovery
• monetization of unused time
• programmable scheduling markets

The protocol has the potential to create an entirely new economic market around time assets.

• chronopay-frontend — Next.js dashboard and Stellar wallet integration
• chronopay-backend — API gateway, token service, marketplace, scheduling
• chronopay-contracts — Soroban smart contracts for time tokens

MIT