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Season 1 · DeFi & Open Finance

nicolas

Stage 1, ReviewDeFi & Open Finance+1 co-builder

by arbito_8645 · submitted May 29, 2026

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Overall score

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Built with

01/04

Confirmed co-builders.

Each one signed in and confirmed they helped on this submission. Co-build credit travels with their wallet too.

Description

02/04

What the builder said.

Written by the team, rendered as the markdown they typed in the submission wizard.

What we built

We built a simple decentralized smart contract using Solidity and Remix IDE. The contract allows users to store and update on-chain messages in a transparent and permissionless way.

Why

We wanted to explore the fundamentals of DeFi and blockchain development by creating a minimal smart contract that demonstrates how decentralized storage and user interaction work without intermediaries.

How it works

  • Users deploy the smart contract on-chain
  • The setMessage function allows anyone to store a message
  • The getMessage function retrieves the stored message
  • All interactions are transparent and verifiable on the blockchain

Tech Stack

  • Solidity
  • Remix IDE
  • Ethereum-compatible blockchain

Live demo

github.com

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Source

github.com

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Roadmap

03/04

What ships next.

The builder's own next-quarter plan. Use it to gauge follow-through and ambition.

Q1 · Current Phase

  • Build and deploy the initial smart contract prototype
  • Test core functionality using Remix and Ethereum testnets
  • Improve contract security and optimize gas usage
  • Gather community feedback and early testers

Q2 · Expansion

  • Integrate frontend UI for easier user interaction
  • Add wallet connection and transaction history
  • Expand smart contract functionality for DeFi use cases
  • Deploy on additional EVM-compatible chains

Q3 · Ecosystem Growth

  • Open-source the project repository
  • Launch community contribution program
  • Add analytics dashboard and monitoring tools
  • Explore partnerships within the DeFi ecosystem

Beyond

  • Develop advanced DeFi primitives and automation features
  • Improve scalability and interoperability
  • Support governance and decentralized community participation
  • Continue building transparent and permissionless financial infrastructure

On-chain proof

04/04

1 contract on OPN Chain.

The chain itself confirmed every deployment is valid, signed by the builder's wallet, and inside the season's window.

  • 01simpel.solPrimary

    0x3919CBe5536d1Af20fbABEb87620A25A7B702BC3

    tx 0x6175d45e20267be7735822d97357350244398a78c3bb56d63f182523142e1ea5

    deployed May 29, 2026 · block 17513469