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This site is for educational purposes only. Nothing here constitutes financial advice.

Understand Crypto.
Avoid Scams. Stay Informed.

A free, plain-language library on cryptocurrency: how it works, what each coin does, and how people get scammed. No affiliate links, no investment advice.

Coins
266
Learn topics
189
Glossary terms
403
Scam types
46
Case studies
18
Countries
14
Courses
10
Tools
69

The library

Eight sections, each with a few good places to start and a link to everything in it.

Glossary

Plain-language definitions with related terms, for when a word stops you.

Coins and categories

What each coin does, how it works and its risks, grouped by type and by sector.

Scam Center

How common crypto scams work, the warning signs, and what to do if one hits you.

Case studies

Post-mortems of real collapses and exploits: what happened, the mechanism and the lessons.

Regulation by country

Who regulates crypto where, and how exchanges, stablecoins and tax are treated.

Tools

Interactive checkers and a reviewed directory of third-party crypto tools.

Markets and data

Live prices, stablecoin supply, yields and side-by-side coin comparisons.

Coin deep dives

Recently expanded coin guides, now with a full how-it-works section and FAQ.

What is new

The latest changes and corrections to the library.

All updates
  1. Added

    10 new learn topics (179 -> 189): Merkle proofs, rollup security stages, running a node, Bitcoin upgrades, exchange bankruptcy, forensics, the Howey test, energy use, wrapped tokens, Bitcoin fees

  2. Fixed

    Dated-claims review of 20 learn topics, related pages corrected, 55 glossary cross-references resolved

  3. Fixed

    MANTRA, Fantom, Maker and Sky pages updated for token changes

  4. Removed

    Tokenize Xchange (TKX) page removed — no active markets since 4 August 2026

  5. Fixed

    Hygiene — page-specific Twitter card titles, canonical URLs on six tool pages, refreshed data, and no more repeated coin names

Market snapshot

Refreshed regularly via CoinGecko.

Full market overview
Total Market Cap
$2.63T
-4.56% 24h
24h Volume
$168.95B
BTC Dominance
59.2%
ETH Dominance
10.3%
Active Coins
22,630

Fear & Greed Index

Fear
30/ 100
Extreme FearExtreme Greed

How we work: sources are cited, corrections are public, and there are no affiliate links.