What Is a Blockchain?
A shared ledger nobody can quietly edit. The one mental model that makes every other concept click into place.
// School St · Turf Academy //
Three levels, zero gatekeeping, risks first. Nobody on this block was born knowing what a seed phrase is.
Do these in order. Don't buy anything until you finish the first three.
A shared ledger nobody can quietly edit. The one mental model that makes every other concept click into place.
Custodial vs self-custody, hot vs cold, and why your seed phrase is the only thing you truly can't replace.
Picking an exchange, funding it, your first purchase, and moving coins into your own custody.
21 million, halvings, proof of work — why the first crypto asset is still the anchor everything else is measured against.
Smart contracts as vending machines: put value in, get an outcome out, no middleman holding the keys.
Fake support DMs, poisoned airdrops, seed 'verification', romance/investment scams, and the too-good APY.
You own crypto and want to actually use it.
Optimistic vs ZK rollups, bridging safely, and why your funds stay secured by Ethereum mainnet.
How digital dollars hold a peg, how they've broken before, and what supply flows tell you about the market.
Swaps, lending, liquidity pools and impermanent loss — the honest version, with the risks up front.
Ownership records, tickets, game items and creator royalties — what survived the hype and what didn't.
Taxable events, cost basis, and why keeping records now saves you a nightmare later. Talk to a real accountant for your situation.
Agents, decentralized compute, and where the hype outruns the product.
You're not asking what a wallet is. You're asking what the wallets are doing.
Holder distribution, liquidity depth, wallet clustering, and the free explorers that show you all of it.
Halvings, global liquidity, and where the ETF era breaks the old four-year charts.
Size off your invalidation, not your conviction. Use the calculator, keep the spreadsheet, survive the season.
The checklist, the red flags, and the exit plan you write before you enter.
Hardware wallets, approval revocation, transaction simulation, and separating your bags across wallets.
Tokenomics, unlocks, team history, revenue if any, and the five questions that kill most theses in ten minutes.
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