Tetra

sustainable supply chain one block at a time

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HackPrinceton - Clean Tech Category: Tetra ♻️

Inspiration ✨♻️

We were inspired to create this project after reading ongoing news about famous luxury clothing brands yearly burning their unsold inventories. It was very surprising to learn about the number of high-quality goods these brands have burned when they could have recycled them or kept a better track of their supply chain in order to prevent the result. These brands also have more resources (which is why they are luxury brands) yet this problem keeps persisting which partly roots from a bigger issue of current supply chains not being sustainable enough to help brands improve their practices.

What it does ⚡⚙️

Tetra is a sustainable supply chain management system that helps clothing brands have clear transparency into each stage of their supply chain while also helping them recycle more of their unsold inventory.

How we built it 🖥️🌿

Tetra's technical backbone uses blockchain for business using Ethereum and Web3.js. This allows each product in the inventory to have a unique ID that can be traced and tracked to see which stages in the supply chain it has gone through (example: shipping stage, factory, supply). It will also show what types of materials this product is made out of. If this item is unsold, admins can send the item to a recycling facility. Once a product gets recycled, users of Tetra can also trace the history of the different parts that made up that product got recycled into.

Some of the completed user stories are:

  • As an admin, I am able to track which product to recycle
  • As an admin, I am able to add a new product to the chain
  • As an admin, I am able to add or ship new materials (that are parts of the product) to the chain
  • As a customer, I am able to see a history/timeline of where the materials of a product have been recycled to

Challenges we ran into 🤕

Since this was our first time working with Ethereum as a blockchain platform, and with writing Solidity smart contracts, we had to learn a lot of concepts as a team before we were able to fully grasp what the blockchain architecture would look like and how we were to structure the web app to get it talking the blockchain! 🔗

Accomplishments that we're proud of 🦚

We are very proud of writing working smart contracts in solidity. We are happy with the progress we made and are stoked about the design and UI/UX of the web app. We are also proud to have tackled such a major issue - one that brings the earth closer to its destruction. 🌍

What we learned 🏫

For this hackathon, we switched roles on the tech stack. So Ana and Tayeeb built out the backend while Krishna worked on the frontend. It was Anastasiya's first time working on the backend, and she is happy to have learned so much about Web Servers, and REST APIs. We all enjoyed diving into the world of blockchain and managing to create an MVP in one weekend. We also learned how to pitch and market our project.

What's next for Tetra 🚀

We hope to make the MVP into an actual beta version that can be shipped out to various retail brands that can make use of a supply chain, and we hope that by using Tetra, we can help make a difference in the world!

Contributors 👨🏻‍💻👩🏻‍💻

  1. Tayeeb Hasan - github
  2. Krishna - github
  3. Anastasiya Uraleva - github

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