Build Your Own AI-Powered Crypto Wallet
A free hands-on course where you build a fully functional, AI-powered Blockchain and Cryptocurrency wallet with a CLI, local browser interface, and Telegram bot.
About the Course
In this course, you will build a fully functional AI-powered Blockchain and Cryptocurrency wallet from scratch with three interfaces: CLI, local browser UI, and a Telegram bot.
The course is free. After completing it, you can take the exam and get a verified digital certificate & transcript for Rs. 1,999 / US$ 19.
To get started, create a free c4 account.
Create c4 accountWho this course is for
This course is designed for people who are curious, motivated, and ready to build something real. No prior AI or Blockchain experience needed.
- Developers who want to break into Web3 with the strongest blockchain and crypto use case.
- AI enthusiasts who want to build something genuinely useful.
- CS and IT students looking to strengthen their portfolio with a project that stands out in interviews.
- Entrepreneurs and indie hackers who want to understand crypto wallets deeply enough to build products on top of them.
- Blockchain beginners who want a guided, project-first approach instead of reading documentation for weeks.
Three ways to use your wallet
CLI
Full wallet control from your terminal. Send, receive, check balances, query history, and interact with DeFi from the command line.
Browser UI
A clean local web interface on your machine. Same wallet and same data, with a friendlier visual experience and no hosting required.
Telegram Bot
Connect your own Telegram bot for real-time alerts, portfolio updates, anomaly warnings, and remote wallet monitoring.
Why Learn This
Crypto wallets are the front door to Web3. Every application, every protocol, every transaction starts here.
You learn to integrate AI into a financial product, one of the most in-demand skill combinations in the industry.
Developers who can build intelligent, user-friendly interfaces for decentralized systems are rare and in high-demand.
You also walk away with something you fully own: a wallet you can extend into DeFi dashboards, payment bots, and multi-chain portfolio trackers.
What Makes This Course Different
Most courses teach you to follow along. This one teaches you to build and understand.
Every concept is introduced in the context of your wallet project, so nothing feels abstract or disconnected.
The code is yours: no proprietary framework, no locked starter templates, and no black box workflows.
What your wallet will be able to do
From core transactions to AI intelligence, security, and extensibility.
- Send tokens using plain-text commands like "send 1 usdt to rohas".
- Receive funds with your own wallet address across chains.
- Support for cryptos, stablecoins, and tokenized RWAs.
- Multi-chain transfers from a single wallet interface.
- Plain-English portfolio health insights with real risk context.
- Analyze address on-chain history before you send.
- Transaction explanations in simple language.
- AI risk flags for suspicious approvals, exploits, and contract behavior.
- View live balances across all tokens and chains.
- Track every transaction with full history and timestamps.
- Monitor status in real time: pending, confirmed, failed.
- Get a unified portfolio view across assets.
- Store private keys locally on your machine.
- No third-party custody or cloud dependency.
- Set max send limits as a safety guardrail.
- Approve or reject transactions before execution.
- View live gas fees before sending transactions.
- Optimize based on current network conditions.
- Get alerts for failed or stuck transactions.
- Retry or replace transactions when needed.
- Save addresses with names and nicknames.
- Create a personal address book for frequent transactions.
- Auto-resolve saved names in send commands.
- Avoid manual copy-paste errors.
- Get real-time alerts for incoming and outgoing transactions.
- Detect unusual activity and trigger warnings.
- Automate routine checks like balance monitoring.
- Control your wallet entirely from the command line (CLI).
- Use a clean local browser interface for visual interaction.
- Connect your wallet to your own Telegram bot.
- Access wallet updates and alerts from anywhere.
- Connect to 100+ blockchains using the same architecture.
- Build DeFi tools, dashboards, and bots on top.
- Integrate APIs and external services as needed.
- Modify and extend the code without restrictions.
- Run everything locally with no external dependency.
- Own your code, your keys, and your infrastructure.
- No black boxes and no hidden processes.
- Full transparency into how every action works.
Meet your Teacher
Rohas Nagpal is an author, software developer, and investigator with 25+ years of experience across 18 countries - specialising in cybercrime, digital forensics, cryptocurrency investigation, and blockchain forensics.
He is currently building multiple AI solutions including Arbitration.Ai, Negotiation.AI, c4 AI, and Sara AI.
Rohas first encountered Bitcoin in 2011 during a narcotics investigation, an experience that led to a long-term focus on blockchain, cryptocurrency crime, and financial infrastructure.
He later co-founded BankChain, a blockchain consortium of 37 banks, designed a Layer-1 protocol for regulated finance, and served as a consultant to the Reserve Bank Innovation Hub on Central Bank Digital Currencies (CBDCs).
