Cryptocurrency 101

We are building the world’s most comprehensive library of blockchain and cryptocurrency guides. Every guide here is written in simple, easy-to-understand language. From our beginner’s guides to our expert tutorials, Block Explorer is your go-to resource for crypto knowledge. Dive in and start learning!

Free eBooks

Help yourself to our flagship cryptocurrency guides, presented in beautiful eBook form (no email address required, just click to download).

bitcoin ebook What is Ethereum

Bitcoin Guides

what is bitcoin

What is Bitcoin? – The most comprehensive, simple guide for beginners

Who is Satoshi Nakamoto? – 24 clues to the identity of Bitcoin’s mysterious creator

How Many Bitcoins Are There? – (Hint, Not Many)

Bitcoin Units and Denominations – A simple breakdown from one BTC to one “Satoshi”

What is a Bitcoin Hard Fork? – When Bitcoin splits into another cryptocurrency

5 Failed Bitcoin Forks – the Bitcoin projects that never made it


Ethereum Guides

Ethereum guides

What is Ethereum? – The most comprehensive, simple guide for beginners

What is “The Flippening?” – Explaining the hypothetical moment when ethereum overtakes bitcoin as the top cryptocurrency

What are Smart Contracts? – An easy-to-understand guide for beginners-intermediates

10 Most Popular Ethereum dApps – From cartoon “Cryptokitties” to decentralized exchanges and “high-risk” games, there’s a dApp for that!


Ripple (XRP) Guides

What is Ripple?



What is xRapid? – Everything you need to know about Ripple’s cryptocurrency service.

Cryptocurrency Safety & Storage

8 Cryptocurrency Best Practices – From secure wallets to making backups, we walk you through the best safety tips

What is Cold Storage for Bitcoin? – The safest way to store your cryptocurrency

Cryptocurrency Insurance – What is it? And do you need it?


More Coins, Explained

What is Bitcoin Cash? – A bitcoin fork designed for smaller payments

What is Litecoin? – The silver to bitcoin’s gold

What is EOS? – A competitor to Ethereum?

What is Dash? – A faster, more private alternative to bitcoin?

What is ICON? – A blockchain full of blockchains



What are Stablecoins? – Analyzing the four different types of stablecoins

Everything you need to Know About Tether – The controversial (and biggest) stablecoin on the market.

Everything you Need to Know About Petro – A stablecoin created by the Venezuelan government

Top 25s

Top 25 Cryptocurrency Exchanges in 2017

Top 25 Altcoins, Blockchains, and Cryptocurrencies of 2017


Blockchain Island – Why do crypto companies love Malta?

The Best Crypto Debit Cards – Use them to pay for things in real life and online


Crypto Regulation

Bitcoin and the IRS – Everything you need to know about bitcoin taxes

What is KYC? (Know  Your Customer)– A practical guide for investors and entrepreneurs

What is AML? (Anti-Money-Laundering) – A practical guide for investors and entrepreneurs

What is an ICO? – A new and controversial way for crypto projects to crowdfund  investment.

What is a SAFT? – A “simple agreement for future tokens”



What are Sidechains? – A faster traffic lane for blockchains

How to Configure Your Own Blockchain Network – Use a private Ethereum network to run your own blockchain

What are Non-Fungible Tokens? – Explained with cartoon cats