I coded WazirX in 6 hours | How to Build a Centralised Exchange | Harkirat Singh

In this podcast episode, the speaker explores the challenges of creating a centralized exchange (CEX) in India, delving into the distinct regulatory landscape and security hurdles developers encounter. Using real-world examples like WazirX and FTX, the discussion underscores the significance of strong security frameworks and the impact of market makers on liquidity. The speaker introduces a decentralized-centralized exchange (DCEX) model, which enhances user security by keeping individual wallets, paving the way for innovations that tackle critical issues in India's crypto landscape. The emphasis is on fostering a robust and user-friendly trading platform.

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I coded WazirX in 6 hours | How to Build a Centralised Exchange

Harkirat Singh

Introduction and Announcements

Building a Centralized Exchange in India: Part 1 - Challenges and Jargon

Centralized Exchange Architecture: Users and Market Makers

Centralized Exchange Architecture: Onboarding Users and Market Makers

User Onboarding and Indian Regulations

WazirX, FTX, and Exchange Security

Jargon Deep Dive: Multisigs, DEXs, Market Makers, and Spot Trading

India-Specific Challenges for Crypto Exchanges

DCEX Architecture: A Decentralized-Centralized Approach

DCEX Architecture: Wallet-as-a-Service Model

Implementation Strategy: Easy vs. Hard Approach

Front-End Development: Sign-Up and Sign-In

Front-End Development: App Bar and Landing Page

Front-End Development: Google Authentication Integration

Database Integration: User Model and Wallet Creation

Database Setup and Prisma Client Initialization

Database Interactions: User Creation and Wallet Generation

Mocking On-Ramps and INR to USDT Conversion

Front-End Development: Dashboard and User Profile

Front-End Development: Account Assets and Balance Calculation

Backend Development: Fetching Token Balances

Backend Development: Integrating Token Prices

Front-End Integration: Displaying Token Balances

Front-End Development: Adding Swap Functionality

Front-End Development: Swap Component and UI Refinements

Front-End Development: Refining Swap UI and Functionality

Backend Development: Quote Fetching and Swap Execution

Backend Development: Implementing Swap Functionality

Testing and Debugging Swap Functionality

Analyzing Transaction Success and Failure

Addressing Transaction Speed and Reliability Issues

Recap and Summary of the Built System

Improved Architecture: Multi-Sig Implementation

I coded WazirX in 6 hours | How to Build a Centralised Exchange

Harkirat Singh

00:00Introduction and Announcements

Introduction and Announcements

02:21Building a Centralized Exchange in India: Part 1 - Challenges and Jargon

Building a Centralized Exchange in India: Part 1 - Challenges and Jargon

07:35Centralized Exchange Architecture: Users and Market Makers

Centralized Exchange Architecture: Users and Market Makers

12:33Centralized Exchange Architecture: Onboarding Users and Market Makers

Centralized Exchange Architecture: Onboarding Users and Market Makers

18:33User Onboarding and Indian Regulations

User Onboarding and Indian Regulations

22:57WazirX, FTX, and Exchange Security

WazirX, FTX, and Exchange Security

31:19Jargon Deep Dive: Multisigs, DEXs, Market Makers, and Spot Trading

Jargon Deep Dive: Multisigs, DEXs, Market Makers, and Spot Trading

40:45India-Specific Challenges for Crypto Exchanges

India-Specific Challenges for Crypto Exchanges

49:31DCEX Architecture: A Decentralized-Centralized Approach

DCEX Architecture: A Decentralized-Centralized Approach

50:51DCEX Architecture: Wallet-as-a-Service Model

DCEX Architecture: Wallet-as-a-Service Model

1:00:56Implementation Strategy: Easy vs. Hard Approach

Implementation Strategy: Easy vs. Hard Approach

1:04:08Front-End Development: Sign-Up and Sign-In

Front-End Development: Sign-Up and Sign-In

1:14:23Front-End Development: App Bar and Landing Page

Front-End Development: App Bar and Landing Page

1:25:43Front-End Development: Google Authentication Integration

Front-End Development: Google Authentication Integration

1:33:02Database Integration: User Model and Wallet Creation

Database Integration: User Model and Wallet Creation

1:41:14Database Setup and Prisma Client Initialization

Database Setup and Prisma Client Initialization

1:46:11Database Interactions: User Creation and Wallet Generation

Database Interactions: User Creation and Wallet Generation

1:57:14Mocking On-Ramps and INR to USDT Conversion

Mocking On-Ramps and INR to USDT Conversion

1:59:10Front-End Development: Dashboard and User Profile

Front-End Development: Dashboard and User Profile

2:11:45Front-End Development: Account Assets and Balance Calculation

Front-End Development: Account Assets and Balance Calculation

2:24:08Backend Development: Fetching Token Balances

Backend Development: Fetching Token Balances

2:44:09Backend Development: Integrating Token Prices

Backend Development: Integrating Token Prices

3:01:09Front-End Integration: Displaying Token Balances

Front-End Integration: Displaying Token Balances

3:13:47Front-End Development: Adding Swap Functionality

Front-End Development: Adding Swap Functionality

3:31:58Front-End Development: Swap Component and UI Refinements

Front-End Development: Swap Component and UI Refinements

3:54:17Front-End Development: Refining Swap UI and Functionality

Front-End Development: Refining Swap UI and Functionality

4:01:55Backend Development: Quote Fetching and Swap Execution

Backend Development: Quote Fetching and Swap Execution

4:19:58Backend Development: Implementing Swap Functionality

Backend Development: Implementing Swap Functionality

4:39:59Testing and Debugging Swap Functionality

Testing and Debugging Swap Functionality

4:57:54Analyzing Transaction Success and Failure

Analyzing Transaction Success and Failure

5:09:23Addressing Transaction Speed and Reliability Issues

Addressing Transaction Speed and Reliability Issues

5:17:29Recap and Summary of the Built System

Recap and Summary of the Built System

5:23:26Improved Architecture: Multi-Sig Implementation

Improved Architecture: Multi-Sig Implementation