Chainwise
10 mini-lessons · Free 3-day trial

Blockchain & Crypto,
finally explained.

Ten focused mini-lessons that take you from zero to confident — covering money, blockchain, Bitcoin, Ethereum, wallets, DeFi, NFTs, risks, and what comes next.

10
Lessons
~80m
Total time
0
Prerequisites
Block #682,419verified
0x9f3a…b21c → 0x4e8d…77fa · 0.42 BTC
0x71c2…ee45 → 0x1d6b…0a93 · 1.20 BTC
0xa84e…3d10 → 0x55fc…b612 · 0.08 BTC
0xbb09…77c4 → 0x9012…ad78 · 2.55 BTC
0x2210…f0e6 → 0x88af…cc41 · 0.31 BTC
Next blockmining…

What you'll walk away with

How money evolved

From shells and gold to digital balances and Bitcoin.

How blockchain works

Blocks, hashes, and why no one can quietly cheat.

Bitcoin & Ethereum

Two networks, two missions — money and a global computer.

Sending transactions

Public keys, private keys, and why one matters more.

Wallets & security

Hot vs cold storage and the habits that keep you safe.

DeFi, NFTs & risks

The opportunities — and the scams to walk away from.

Curriculum

The 10 lessons

  1. 01

    What Is Money and Why Was Cryptocurrency Created?

    Trace the story of money — from shells to satoshis — and understand the gap that crypto fills.

    10 min read
  2. 02

    Introduction to Blockchain

    Discover the shared digital notebook that powers every cryptocurrency.

    9 min read
  3. 03

    Bitcoin and the Birth of Cryptocurrency

    Meet Satoshi Nakamoto and the asset that started it all.

    8 min read
  4. 04

    How Cryptocurrency Transactions Work

    Follow a single coin from Alice's wallet to Bob's — and learn what keys really do.

    9 min read
  5. 05

    Mining and Consensus

    How thousands of strangers agree on the truth without a referee.

    9 min read
  6. 06

    Ethereum and Smart Contracts

    Programmable money — and how Ethereum unlocked an entire ecosystem of apps.

    10 min read
  7. 07

    Crypto Wallets and Security

    Hot, cold, and everything in between — how to actually keep your crypto safe.

    11 min read
  8. 08

    DeFi, NFTs, and Web3

    Blockchain beyond payments — open finance, digital ownership, and a new internet.

    10 min read
  9. 09

    Risks, Regulations, and Common Scams

    Spot the red flags before they cost you. A field guide to crypto's dark side.

    11 min read
  10. 10

    The Future of Blockchain

    Where this is all going — and the challenges still ahead.

    9 min read