Hello, I am interested in the blockchain course.
Please share:
1. Upcoming batch start dates
2. Days and timings for weekday, weekend and online batches
3. Total duration and hours per week
4. Whether sessions are recorded
5. Classroom location options
Thank you.

Schedule fit check
My free slots: weekdays ______  weekends ______
Batch option A: ______ → fits? Y / N
Batch option B: ______ → fits? Y / N
Travel time (classroom): ____ min each way
Practice time I can add per week: ____ hours
Choose the batch you can attend every week.

Fee confirmation (fill from written reply)
Course: Blockchain
Mode: classroom / online   Batch: ______
Total fee (incl. tax): ______
Instalments: ____ × ______  Dates: ______
Included: ☐ live sessions ☐ recordings ☐ projects ☐ mock interviews ☐ material
Not included: ______
Refund policy received: ☐
Batch repeat option: ☐

Total cost of learning blockchain
Course fee:                ______
Laptop upgrade (if any):   ______
Test-network tools:        usually free (use testnets, never real funds)
Travel (classroom):        ______
Total:                     ______

import hashlib, json

def block(data, prev_hash):
    body = {"data": data, "prev": prev_hash}
    h = hashlib.sha256(json.dumps(body, sort_keys=True).encode()).hexdigest()
    return {**body, "hash": h}

chain = [block("genesis", "0")]
for item in ["A pays B 5", "B pays C 2"]:
    chain.append(block(item, chain[-1]["hash"]))

for b in chain:
    print(b["data"], "->", b["hash"][:12])
# Changing any earlier data changes every later hash

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

contract Counter {
    uint256 public count;
    event Incremented(uint256 newCount);

    function increment() external {
        count += 1;
        emit Incremented(count);
    }
}
// Compile and deploy on a test network (e.g. using an online IDE)
// Never deploy learning contracts with real funds

Enquiry Tracker
Date of enquiry: ______
Counsellor: ______
Batches offered: ______________
Fee details received in writing: ☐
Syllabus received: ☐
Demo class date: ______
Decision deadline: ______

Before day one (2-3 weeks)
☐ JavaScript or Python basics (variables, functions, objects)
☐ How the web works: client, server, APIs
☐ Git basics
☐ Install a code editor and a browser wallet for testnets
☐ Read about hashing and public/private keys

First month goals
☐ Explain how blocks link through hashes
☐ Create a testnet wallet and receive test tokens
☐ Deploy a simple contract on a testnet
☐ Read and explain one public contract
☐ Notes and code pushed to GitHub