Crypto guides that explain the mechanics

What a wallet stores, who controls the keys, and what the scams look like.

Intermediate · 8 minAir-Gapped Signing: What QR Wallets Actually Protect AgainstNo USB, no Bluetooth, no network. The device signs and shows you a QR code, and the only thing crossing the gap is data you can inspect.

1. Recovering From a Compromised Wallet: The First HourThe order of operations decides how much you keep. Most people revoke first, which is the step that loses them the rest.Beginner8 minUpdated 28 September 2026
2. Seed Phrase Backup Beyond Paper: Steel, Shamir and MultisigMore crypto has been lost to bad backups than to attackers. The backup, not the wallet, is where self-custody usually fails.Intermediate9 minUpdated 18 September 2026
3. Wallet Drainers: How the Signature That Empties You WorksNothing is hacked. You approve a transaction whose real meaning is hidden behind a wallet prompt that says almost nothing.Beginner9 minUpdated 8 September 2026
4. Multisig vs MPC vs Single Key: Choosing a Custody ModelOne key is a single point of failure. Multisig and MPC remove it in different ways, and the differences matter more than the marketing suggests.Intermediate9 minUpdated 29 August 2026

Fees, order books, derivatives and what an exchange is actually doing with your order.

Beginner · 7 minExchange Insurance Funds vs Real InsuranceTwo completely different things share the word insurance, and neither means what customers assume when an exchange fails.

1. Aggregators vs Direct Swaps: When Routing Saves You MoneySplitting one trade across four pools sounds like overhead. On the trades where it matters, it is the difference between a good fill and a bad one.Beginner7 minUpdated 8 October 2026
2. Order Book Depth: Reading the Number That Sets Your FillPrice is what the last trade happened at. Depth is what your trade will happen at, and the two are only similar in liquid markets.Beginner7 minUpdated 26 September 2026
3. Why Reported Volume Lies: Wash Trading and How to Spot ItVolume is the most quoted number in crypto and the least verified. Almost every ranking built on it inherits the problem.Advanced10 minUpdated 22 September 2026
4. What a Crypto Card Really Costs: Spread, FX and ATM FeesThe headline is cashback. The cost is a conversion spread you cannot see, applied to every transaction, plus network FX on anything abroad.Beginner8 minUpdated 20 September 2026

Lending, AMMs, yield and tokenomics — where the return comes from and where it fails.

Beginner · 8 minVault Strategies: What an Aggregator Does With Your DepositYou deposit once. The vault then interacts with several protocols on your behalf, and you own every risk in that chain.

1. Wrapped Assets: Who Holds the Collateral Behind Your TokenWrapped BTC on Ethereum is not Bitcoin. It is an IOU whose value depends entirely on whoever holds the Bitcoin behind it.Intermediate9 minUpdated 12 October 2026
2. TVL Double Counting: Why Two Sites Show Different NumbersTVL is the industry's default size metric and one of its least standardised. The definition changes with the incentive of whoever is publishing it.Beginner8 minUpdated 6 October 2026
3. Liquidation Mechanics: How Lending Positions Actually DieLiquidation is not a margin call. There is no phone call, no grace period, and the price that matters is the oracle's, not the market's.Intermediate10 minUpdated 24 September 2026
4. APR vs APY vs Real Yield: Reading a Rate HonestlyThe number on the dashboard is annualised from a recent window, before fees, and often paid in a token whose price is falling. Here is how to get to the real one.Beginner8 minUpdated 4 September 2026

Native, liquid and restaking, with the slashing and depeg risk spelled out.

Intermediate · 9 minLST Depegs: Why stETH Traded Below ETH and What It MeantThe discount was never a backing failure. It was a liquidity event in an asset that could not be redeemed at the time.

1. Validator Uptime, Commission and What You Actually EarnA validator charging 10% with perfect performance pays you more than one charging 2% that misses attestations. Commission is a headline, not a return.Intermediate9 minUpdated 12 September 2026
2. Native Staking vs Liquid Staking: Which Costs You MoreThe fee comparison everyone quotes is the wrong one. What separates these two is what you give up, and the answer changes with how much you stake.Intermediate9 minUpdated 25 August 2026
3. How Crypto Staking Works: Earning Rewards by Securing a NetworkA plain-English walkthrough of proof-of-stake staking — what you're actually doing, how rewards are calculated, and the risks worth knowing before you lock up a single coin.Beginner9 minUpdated 11 July 2026
4. Liquid Staking Explained: Earning Yield Without Losing LiquidityHow liquid staking tokens let holders earn network rewards while keeping their capital free to lend, trade, or post as collateral.Intermediate11 minUpdated 4 July 2026

How a peg holds, how it breaks, and what a reserve report does and does not prove.

Intermediate · 10 minYield-Bearing Stablecoins: Where the Yield Comes FromA dollar that pays you something is a dollar taking a risk on your behalf. The only question worth asking is which one.

1. Attestation vs Audit: What Stablecoin Reports Really SayEvery major stablecoin publishes reserve reports. Almost none of them are audits, and the difference decides what the document is worth.Intermediate8 minUpdated 14 September 2026
2. Why Stablecoins Depeg: The Four MechanismsA stablecoin at $0.94 can be minutes from recovery or days from zero. The difference is which of four mechanisms is doing the breaking.Intermediate9 minUpdated 21 August 2026
3. Fiat-Backed vs. Crypto-Backed vs. Algorithmic Stablecoins ComparedA side-by-side breakdown of how fiat-backed, crypto-backed and algorithmic stablecoins each maintain their peg, and the specific failure mode that has taken each category down.Intermediate12 minUpdated 1 June 2026
4. What Is a Stablecoin and How Does It Stay 'Stable'?An accessible breakdown of how fiat-backed, crypto-backed and algorithmic stablecoins each try to hold their peg — and the real failures that show what happens when they don't.Beginner11 minUpdated 17 May 2026

Bridges, oracles, rollups, MEV and the tools for reading a chain.

Intermediate · 12 minBridge Trust Models Compared: Light Client, Validator Set, IntentBridges have lost more value than any other category in crypto, and almost always at the same point: whoever attests that funds arrived on the other side.

1. How Cross-Chain Bridges Work (and Why They're Risky)Cross-chain bridges move billions between blockchains every week — and have lost billions more to exploits. Here's how the plumbing actually works and how to size up the risk before you use one.Intermediate12 minUpdated 13 August 2026
2. How Crypto Oracles Work: Bringing Real-World Data On-ChainSmart contracts can't see the outside world on their own. Oracles are the systems that feed them prices, events, and data — and getting that design wrong has cost DeFi protocols hundreds of millions.Intermediate11 minUpdated 14 July 2026
3. How Protocols Are Fighting MEV: PBS, Encrypted Mempools, and MoreSandwich bots have extracted billions from ordinary swaps since the Merge. Here's what the actual technical countermeasures — PBS, encrypted mempools, and private order flow — do and don't fix.Advanced14 minUpdated 1 July 2026
4. What Is MEV? How Bots Extract Value from Blockchain TransactionsAn inside look at maximal extractable value: how searchers, builders and validators profit from transaction ordering, and who ultimately pays for it.Advanced11 minUpdated 29 June 2026

The taxable events, cost basis methods and country rules.

Intermediate · 11 minCrypto Tax in Germany: The One-Year Rule ExplainedGermany's treatment is unusually favourable and unusually specific. The whole framework turns on one date and on whether the activity stays private.

1. Crypto Tax in the UK: HMRC Rules for Traders and StakersHMRC treats crypto as property, not currency. That single decision drives the pooling rules, the 30-day rule and why swapping one token for another is a taxable event.Intermediate11 minUpdated 2 September 2026
2. Cost Basis Methods for Crypto Taxes: FIFO, LIFO, and HIFO ExplainedThe same crypto sale can generate wildly different taxable gains depending on which accounting method calculates it. Understanding FIFO, LIFO, and HIFO for crypto taxes is one of the few legal levers holders actually have over their own tax bill.Intermediate10 minUpdated 5 August 2026
3. Crypto Taxes 101: What Every Beginner Needs to KnowThe taxable events every new crypto holder needs to track from day one — trades, swaps, staking rewards and more — explained without the jargon.Beginner9 minUpdated 3 August 2026