Crypto With Block

The library

Learn crypto, one block at a time.

125 lessons planned in 21 series, from “what is money” to protecting your family. New lessons every week. Start free; members get every lesson ad-free and early.

Track A · Foundations

64 LESSONS PLANNED

From "what is money" to buying, holding and protecting crypto like a security pro.

SERIES 00Up next

Start Here

The whole map in one sitting.

2 lessons planned
SERIES 01Coming soon

Why Crypto Exists

The money problem crypto was built to solve.

6 lessons planned
SERIES 02Up next

How Blockchain Works

Blocks, chains, keys and copies — the machine under every coin.

8 lessons planned
SERIES 03Coming soon

Bitcoin

The first blockchain, its fixed supply, and its real risks.

7 lessons planned
SERIES 04Coming soon

Ethereum & Smart Contracts

A blockchain that runs programs.

6 lessons planned
SERIES 05Coming soon

Wallets & Security

Holding crypto without losing it.

6 lessons planned
SERIES 06Signature series

Protect Your Crypto

Security-first habits from a security professional. The series this channel is built on.

11 lessons planned
SERIES 07Coming soon

Buying Crypto Safely

Your first purchase, done right.

6 lessons planned
SERIES 08Coming soon

Stablecoins

Crypto dollars — the part people actually use.

6 lessons planned
SERIES 09Coming soon

Scams & Risk

How people lose money — so you don't.

6 lessons planned

Track B · Going Deeper

61 LESSONS PLANNED

Staking, DeFi, ETFs, taxes and how to read the news yourself.

SERIES 10Coming soon

Staking & Yield

Where "earn" on crypto actually comes from.

7 lessons planned
SERIES 11Coming soon

DeFi

Banking functions without a bank.

6 lessons planned
SERIES 12Coming soon

Scaling & Layer 2s

Making blockchains faster and cheaper.

5 lessons planned
SERIES 13Coming soon

Other Blockchains

A fair way to judge any coin.

6 lessons planned
SERIES 14Coming soon

Tokenomics

Reading the numbers behind a token.

6 lessons planned
SERIES 15Coming soon

Crypto Meets Wall Street

ETFs, companies and tokenized assets.

6 lessons planned
SERIES 16Coming soon

Taxes & Records (US)

Staying clean with the IRS. Education, not tax advice.

5 lessons planned
SERIES 17Coming soon

Regulation

Who makes the rules, and where they stand.

4 lessons planned
SERIES 18Coming soon

Reading the Market & News

Understand the headlines yourself.

6 lessons planned
SERIES 19Coming soon

What Else Runs on a Blockchain

What works beyond money, and what doesn't.

4 lessons planned
SERIES 20Coming soon

Crypto in Your Whole Financial Life

Where crypto fits with everything else you own. Education, not advice.

6 lessons planned

Every lesson, planned

Tap a series to see its lessons. New lessons go out every week; members get them early.

SERIES 00 Start Here · 2 lessons
  1. 01Crypto in 10 Minutes: The Whole PictureWhat is all this, start to finish?Coming soon
  2. 02Security First: How This Channel WorksNo exchange, no token, no agenda. Education built by a security professional.Coming soon
SERIES 01 Why Crypto Exists · 6 lessons
  1. 01What Is Money, Really?Why does a piece of paper buy groceries?Coming soon
  2. 02How Banks and Payments Actually WorkWhere does your money go when you tap your card?Coming soon
  3. 03Inflation: Why Your Dollar Buys LessWho decides how much money exists?Coming soon
  4. 042008 and the Birth of BitcoinWhy did someone invent new money during a crisis?Coming soon
  5. 05What Is Cryptocurrency?The plain-English definition.Coming soon
  6. 06The Case Against CryptoThe strongest arguments from the skeptics, taken seriously.Coming soon
SERIES 02 How Blockchain Works · 8 lessons
  1. 01What Is a Blockchain?A shared record nobody can quietly edit.Coming soon
  2. 02Hashing: The Digital FingerprintHow a block can prove it hasn't changed.Coming soon
  3. 03Keys and Signatures: How You Prove It's YoursWhy a password isn't involved.Coming soon
  4. 04Blocks and Chains: Why You Can't Change the PastWhat links each block to the one before.Coming soon
  5. 05Nodes: Who Keeps the CopiesThousands of computers holding the same ledger.Coming soon
  6. 06Consensus: Proof of Work vs Proof of StakeHow strangers agree on one version of the truth.Coming soon
  7. 07What Is Crypto Mining?What miners actually do, and why it uses power.Coming soon
  8. 08Forks: When a Chain SplitsWhat happens when the rules change.Coming soon
SERIES 03 Bitcoin · 7 lessons
  1. 01What Is Bitcoin?The first cryptocurrency, explained simply.Coming soon
  2. 02Why Only 21 Million?How a supply limit is enforced by code.Coming soon
  3. 03The Halving, ExplainedWhy new bitcoin gets cut in half about every four years (next: ~2028).Coming soon
  4. 04Who Controls Bitcoin?Nobody — and why that matters.Coming soon
  5. 05Lightning: Bitcoin for Small PaymentsFast, cheap payments on top of Bitcoin.Coming soon
  6. 06Is Bitcoin Digital Gold?The comparison, and where it breaks.Coming soon
  7. 07Bitcoin's Real RisksVolatility, custody, regulation, quantum — what's real.Coming soon
SERIES 04 Ethereum & Smart Contracts · 6 lessons
  1. 01What Is Ethereum?Bitcoin is money. Ethereum is a computer. What does that mean?Coming soon
  2. 02Smart Contracts ExplainedCode that holds and moves money by itself.Coming soon
  3. 03Gas Fees: Why Transactions Cost MoneyPaying the network to do work.Coming soon
  4. 04Tokens: What "Built on Ethereum" MeansERC-20, and why thousands of coins share one chain.Coming soon
  5. 05The Merge: How Ethereum Switched to Proof of StakeSwapping the engine mid-flight.Coming soon
  6. 06Ethereum's RoadmapWhat the next upgrades change.Coming soon
SERIES 05 Wallets & Security · 6 lessons
  1. 01What Is a Crypto Wallet?Your wallet doesn't hold coins. It holds keys.Coming soon
  2. 02Custodial vs Self-CustodyWho really holds your crypto?Coming soon
  3. 03Seed Phrases: The 12 Words That Are Your MoneyWhy anyone with them owns everything.Coming soon
  4. 04Hardware Wallets ExplainedKeeping keys off the internet.Coming soon
  5. 05Backups and InheritanceWhat happens to your crypto if something happens to you?Coming soon
  6. 06Security Habits That Stop Most LossesThe handful of habits that matter.Coming soon
SERIES 06 Protect Your Crypto · 11 lessons
  1. 01The Security Mindset: Think Like an AttackerHow thieves pick targets, and how to stop being one.Coming soon
  2. 02Stopping SIM SwapsWhy your phone number is the weakest link, and the carrier PIN that fixes it.Coming soon
  3. 032FA Done RightText codes vs authenticator apps vs security keys.Coming soon
  4. 04A Clean Setup for CryptoA separate email, browser and device for your money.Coming soon
  5. 05Token Approvals: Permissions You Forgot You GaveHow old approvals drain wallets, and how to revoke them.Coming soon
  6. 06Address Poisoning and Clipboard AttacksWhen the address you pasted isn't the one you copied.Coming soon
  7. 07Physical Safety: Don't Become a TargetData leaks, oversharing and the rise of "wrench attacks".Coming soon
  8. 08Protecting Your Parents From Crypto ScamsPeople over 60 lost $4.4B to crypto fraud in 2025. A family plan.Coming soon
  9. 09I Got Hacked: The First HourExactly what to do, in order, when something goes wrong.Coming soon
  10. 10Recovery Scams: The Second TheftWhy "we can get your crypto back" is almost always a scam.Coming soon
  11. 11Fake Support in Comments, DMs and DiscordWhy we have no Discord and never message first: how impersonators find victims.Coming soon
SERIES 07 Buying Crypto Safely · 6 lessons
  1. 01How to Buy Crypto SafelyStep by step, without the pitfalls.Coming soon
  2. 02Choosing an Exchange: What to CheckLicenses, proof of reserves, track record.Coming soon
  3. 03Fees, Spreads and Order TypesWhere the hidden costs are.Coming soon
  4. 04What Happened at FTXHow a top exchange lost customer money.Coming soon
  5. 05Sending Crypto: Addresses, Networks and Test SendsHow not to send coins into the void.Coming soon
  6. 06Dollar-Cost Averaging vs Lump SumWhat each approach does (education, not advice).Coming soon
SERIES 08 Stablecoins · 6 lessons
  1. 01What Is a Stablecoin?A crypto token designed to stay at $1.Coming soon
  2. 02How Stablecoins Hold $1Cash-backed, crypto-backed and algorithmic.Coming soon
  3. 03USDT vs USDCThe two biggest, and how they differ.Coming soon
  4. 04When Stablecoins BreakDepegs, and the collapse of TerraUSD.Coming soon
  5. 05The GENIUS Act: America's Stablecoin LawWhat the 2025 law requires, and when it applies.Coming soon
  6. 06Stablecoins as PaymentsSending dollars around the world in seconds.Coming soon
SERIES 09 Scams & Risk · 6 lessons
  1. 01The Most Common Crypto ScamsThe patterns behind almost every con.Coming soon
  2. 02Pig Butchering: The Long ConFriendly strangers, fake platforms.Coming soon
  3. 03Phishing, Fake Support and Address PoisoningAttacks that look like help.Coming soon
  4. 04Rug Pulls and Pump-and-DumpsWhen the founders are the exit.Coming soon
  5. 05Leverage and LiquidationsHow traders lose everything in minutes.Coming soon
  6. 06The Red-Flag ChecklistTen questions before you send a cent.Coming soon
SERIES 10 Staking & Yield · 7 lessons
  1. 01What Is Staking?Locking coins to help secure a network.Coming soon
  2. 02Where Staking Rewards Come FromWho pays you, and why.Coming soon
  3. 03Liquid Staking ExplainedStaking without locking up your coins.Coming soon
  4. 04Restaking: Extra Yield, Extra RiskUsing the same stake twice.Coming soon
  5. 05Staking RisksLockups, slashing and platform risk.Coming soon
  6. 06Staking ETFsFunds that stake for you.Coming soon
  7. 07When the Yield Is Too GoodHow to spot an APY that's a warning sign.Coming soon
SERIES 11 DeFi · 6 lessons
  1. 01What Is DeFi?Finance run by smart contracts.Coming soon
  2. 02DEXs and Automated Market MakersTrading without an order book.Coming soon
  3. 03Lending and Borrowing Without a BankCollateral, interest and liquidation.Coming soon
  4. 04Liquidity Pools and Impermanent LossWhat liquidity providers earn, and lose.Coming soon
  5. 05Oracles: How Blockchains See the Real WorldGetting prices onto a chain.Coming soon
  6. 06DeFi Risks: Hacks, Bugs and BridgesWhat has gone wrong, and why.Coming soon
SERIES 12 Scaling & Layer 2s · 5 lessons
  1. 01The Scaling ProblemWhy blockchains are slow on purpose.Coming soon
  2. 02What Is a Layer 2?Doing the work off the main chain.Coming soon
  3. 03Rollups: Optimistic vs ZKTwo ways to prove the work was done right.Coming soon
  4. 04Bridges, and Why They Get HackedMoving coins between chains.Coming soon
  5. 05Blobs and Data AvailabilityThe upgrade that made Layer 2s cheap.Coming soon
SERIES 13 Other Blockchains · 6 lessons
  1. 01Why Are There Thousands of Coins?And why most won't survive.Coming soon
  2. 02How to Judge Any BlockchainA 7-question framework you can reuse.Coming soon
  3. 03SolanaSpeed, trade-offs and outages.Coming soon
  4. 04XRPWhat it is for, and the long SEC fight.Coming soon
  5. 05ChainlinkThe data network other chains depend on.Coming soon
  6. 06Dogecoin and MemecoinsCoins that run on attention.Coming soon
SERIES 14 Tokenomics · 6 lessons
  1. 01Market Cap vs Fully Diluted ValueWhy a "cheap" coin often isn't.Coming soon
  2. 02Supply, Inflation and BurnsHow many coins exist, and how many will.Coming soon
  3. 03Token UnlocksWhy prices drop on a schedule.Coming soon
  4. 04Governance Tokens and DAOsVoting with coins.Coming soon
  5. 05How to Read a WhitepaperWhat to look for in 20 minutes.Coming soon
  6. 06Airdrops ExplainedFree tokens, and the catch.Coming soon
SERIES 15 Crypto Meets Wall Street · 6 lessons
  1. 01What Is a Bitcoin ETF?Owning bitcoin through a brokerage account.Coming soon
  2. 02ETF vs Owning the CoinFees, custody, taxes and control.Coming soon
  3. 03Ether, Solana and XRP ETFsWhich crypto funds exist now.Coming soon
  4. 04Companies That Hold BitcoinTreasury companies, and the risks.Coming soon
  5. 05Tokenization: Treasuries and Stocks on a BlockchainReal-world assets on-chain.Coming soon
  6. 06Banks and CryptoFrom blocking it to building it.Coming soon
SERIES 16 Taxes & Records (US) · 5 lessons
  1. 01How Crypto Is TaxedProperty, not currency.Coming soon
  2. 02Taxable Events: What CountsSelling, swapping, spending, earning.Coming soon
  3. 03Cost Basis and RecordsThe number that decides your tax bill.Coming soon
  4. 04Form 1099-DA ExplainedThe new form from your exchange.Coming soon
  5. 05Staking, Airdrops and IncomeWhen "free" crypto is taxable.Coming soon
SERIES 17 Regulation · 4 lessons
  1. 01Who Regulates Crypto?SEC vs CFTC, simply.Coming soon
  2. 02The CLARITY Act: What HappenedThe market-structure bill and why it stalled.Coming soon
  3. 03Europe's MiCAThe EU rulebook now in full force.Coming soon
  4. 04Crypto Rules Around the WorldWho allows what.Coming soon
SERIES 18 Reading the Market & News · 6 lessons
  1. 01Why Is Crypto Crashing?The usual causes behind big drops.Coming soon
  2. 02Market CyclesBooms, busts and what tends to drive them.Coming soon
  3. 03Using a Block ExplorerLook up any transaction yourself.Coming soon
  4. 04On-Chain Data BasicsWhat the blockchain tells you that news can't.Coming soon
  5. 05How Interest Rates Move CryptoThe macro link.Coming soon
  6. 06Spotting HypeHow to read a crypto headline.Coming soon
SERIES 19 What Else Runs on a Blockchain · 4 lessons
  1. 01NFTs: What's Left After the HypeDigital ownership, honestly.Coming soon
  2. 02Prediction Markets ExplainedBetting on events, on-chain and off.Coming soon
  3. 03AI Agents That Pay in CryptoSoftware paying software in stablecoins.Coming soon
  4. 04Blockchain Beyond MoneyIdentity, supply chains — what's real.Coming soon
SERIES 20 Crypto in Your Whole Financial Life · 6 lessons
  1. 01Before You Buy: Emergency Fund, Debt and GoalsWhat comes first, and why.Coming soon
  2. 02Crypto ETFs in IRAs and 401(k)sHow crypto shows up in retirement accounts.Coming soon
  3. 03How Much Is Too Much? Concentration RiskHow professionals think about position size.Coming soon
  4. 04Talking to Your Financial Advisor About CryptoThe questions to ask, and the answers to expect.Coming soon
  5. 05Crypto in Your Estate PlanWills, trusts and making sure your family can find it.Coming soon
  6. 06Teaching Your Family About Crypto SafelyKids, partners and parents: what each needs to know.Coming soon