Understand crypto from the ledger to the market
Useful explainers, checklists and tools for the crypto tasks that get confusing fast.
Foundations
What the core crypto systems actually are — networks, ledgers, tokens and custody — before any market interpretation is layered on top.
What is Bitcoin?
A monetary network, a scarce digital asset and a public accounting system — three related ideas that are often collapsed into one.
What is a blockchain?
A shared, append-oriented record whose participants use a consensus process to agree on valid history.
What are stablecoins?
Crypto tokens designed to track a reference asset — usually a currency — without inheriting its stability automatically.
How do crypto wallets work?
Wallets manage authorization keys; the coins remain recorded on the network’s ledger.
Market measurement & price formation
How crypto markets are measured and how prices form — capitalization, turnover, indexes, volatility and the derivatives that price risk and time.
What do crypto market cap and fully diluted valuation measure?
Two multiplication results that look like wealth totals but depend entirely on which supply number you accept and which price you multiply it by.
What is crypto trading volume?
A record of what already traded over a window — not what could trade now, and not always what genuinely traded at all.
Spot, futures and perpetuals: what is the difference?
Three ways to hold the same price exposure that differ in what you own, when it ends and what stands behind the position.
What is the crypto futures basis?
The gap between a dated future and spot — a price on time and financing that converges to zero on a schedule.
Where does 'the crypto price' actually come from?
There is no single price — only venue trades, indexes built from them, and mark prices designed to resist manipulation.
What is crypto volatility?
A family of measurements of how much price moves — each with a window and a convention that change the answer.
How do crypto options work?
Contracts that grant rights rather than obligations — asymmetry that changes what risk means for each side.
What do implied volatility and options skew actually tell you?
The options market's price list for risk — informative about what protection costs, silent about what will happen.
Market mechanics
How trading actually moves crypto prices — liquidity, leverage, funding flows and the forced deleveraging behind sharp moves.
What is crypto liquidity?
The ability to trade a meaningful amount near the displayed price without moving the market sharply.
What are crypto funding rates?
Periodic payments between long and short perpetual-futures traders that help keep the contract near spot.
What is open interest in crypto?
The outstanding size of derivative contracts that remain open, not a count of bullish bets.
How do crypto liquidations work?
A risk-control process that forcibly reduces a leveraged position when its collateral can no longer support it.
Practical guides & tools
Task-focused resources: record-keeping guides, in-browser tools and durable asset context.
Missing cost basis in crypto tax software
Why the warning appears, why it inflates a reported gain, and a decision tree for gaps, duplicates, timezone offsets, fees, manual rows and transfers.
Crypto Tax CSV Validator
Check and clean an exchange export before you import it — malformed rows, duplicates, ambiguous timestamps and balances that will not reconcile. Runs in your browser; nothing is uploaded.
Token Risk Checker
See a token's live on-chain market footprint from its contract address — liquidity, volume, venues and same-ticker collisions — with the observation time and source. Evidence, not a score.
Bitcoin research hub
Durable context, drivers and risks for the asset most portfolios are built around, with the latest persisted market snapshot.
Crypto tax software compared
Documentary comparison of crypto tax platforms based on official product documentation — integrations, jurisdiction support and report types.
Hardware wallets compared
Ledger, Trezor and Keystone compared on security architecture, firmware transparency and connectivity, from official manufacturer documentation.
These guides are educational, not tax, legal or accounting advice. The browser tools keep your transaction data on your device.