बटुआ (Batua) 🇮🇳

😀 What is Batua...?

Batua (बटुआ) is an end-to-end "concept" for cryptocurrency in India. 🇮🇳

The word Batua is the phonetic spelling of the word for "wallet" in the Hindi language. 👛

Users of Batua transact entirely in Rupaysa, a decentralised non-custodial stablecoin pegged to the Indian Rupee. ⛓️

The project's key objective was to clearly demonstrate what is technically possible today, combining...

• well-understood crypto primitives 📜,
• an emerging Layer 2 solution 📈,
• some bespoke development 🔢.

...to make a robust and usable wallet, ready for adoption. 👨‍👩‍👧‍👦

The solution comprises:

• a decentrally-governed and non-custodial mechanism for a stablecoin, pegged to the Indian Rupee, based on MakerDAO SCD, using a Chainlink Oracle populated from CryptoCompare. ⚖️

• a minimalist web-wallet user-interface for sending and receiving Rupaysa, using Biconomy's gasless meta-transactions to pay fees on Matic L2, for a simplified user experience. 😺

The result is a concept to help introduce users to crypto, for making everyday payments in India. 📅

🧐 Why Batua...?

India is an incredibly diverse country... but it is united in its use of the Indian Rupee. 🇮🇳

Digital payments for everyday spending are already common, where users scan QR codes with their smartphones, and pay using real money. 🤳

With a population of 1.3bn, and ~700m smartphones, it may be reasonable to expect Batua to find product-market fit in India. 🥳

Specific Deliverables

• UX Research & UI Design

  • User Persona Definition

  • Language and Localisation Research

  • Information Architecture and branded UI Designs

• Stablecoin Architecture

  • MakerCOW... a clone of MakerDAO SCD, deployed on Goerli (Layer 1)

  • Chainlink Oracle presenting onchain ETH/INR price feed from CryptoCompare

  • COW tokens as MKR-like governance tokens

  • Dockerised scripted deployment of end-to-end stack

• Gasless Payment System

  • Matic Layer 2 for retrieving account balance

  • Biconomy meta-transaction relayer for gasless transfer

• Web Wallet App

  • Minimalist React web app at https://batua.bohendo.com

  • Basic onboarding flow, minimalist UI and low-friction UX

  • Alpha "investor" app at https://batua.bohendo.com/invest

Details of the Chainlink-powered oracle to set the peg price:

• Contract on Goerli: 0x07612C2dD1310dF712b61F510C08CA8c3fe2E883

• An example update on Goerli, fulfilled by a new chainlink node at https://link.bohendo.com, is available for review at this transaction hash: 0xdd131b71359407634eba6c8d6a62635ecf699669a71e6b2bf2fffac5d59e0c74

All work shared at github.com/batuaWallet.