Week 1

- Finalize

functional & technical specifications

.- Create

detailed architecture diagrams

(Blockchain, Wallet, API, UI).- Prepare

Smart Contract interface definitions

.- Set up development environments (

Polygon + MERN + Flutter

).- Begin initial

landing page design

(Markets, News Feed, Navigation).

Milestone 1

— 25% (3,750 USDT) — Upfront after contract signing & requirements freeze.

Week 2

- Develop

MarketFactory

,

MarketRegistry

,

PredictionMarket (Binary/Scalar)

contracts.- Implement

Outcome Tokens (ERC-1155)

,

Liquidity Pool (AMM)

,

Treasury

contracts.- Deploy contracts to

Polygon testnet

.- Develop

Node.js/Express API

with MongoDB schemas: • User management • Market metadata • Trade history- Integrate

The Graph

indexer for market data aggregation.

Milestone 2

— 29% (4,350 USDT) — Upon completion of Smart Contracts & API Layer.

Week 3

- Implement

EOA Wallet Connect

(MetaMask, WalletConnect, Coinbase Wallet).- Implement

Smart Proxy Wallet (ERC-4337)

creation on signup.- Integrate

fiat-to-crypto on-ramp

service.- Build

React Web App

for: • Market list • Market detail (YES/NO order book, charts, comments) • News feed with Spotify stats & AI insights- Enable

pre-login data view

(markets, news, T&C, order book).

Milestone 3

— 28% (4,200 USDT) — Upon completion of Web Integration with Wallet Layer.

Week 4

- Develop

Flutter Mobile App

with full parity to web features.- Implement

WebSocket real-time order book

.- Integrate

AI sentiment analysis

&

Spotify trend charts

into both apps.- Implement

trade execution flow

: 1. Select market 2. Sign transaction 3. Execute trade 4. Update positions in Proxy Wallet

Week 4.5

- Complete

unit & integration testing

.- Deploy contracts to

Polygon mainnet

.- Deploy

web app

&

mobile app builds

.- Deliver

GitBook documentation

with technical specs.- Conduct

handover & training

.

Milestone 4

— 18% (2,700 USDT) — Upon final delivery, testing & deployment.