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What Is a Blockchain? A Beginner’s Guide
The word "blockchain" gets thrown around a lot — usually in the same breath as Bitcoin or cryptocurrency. But a blockchain is not a currency. It is a…
How Cryptography Secures Data: Keys, Signatures, and Hashes
Every blockchain runs on cryptography — the science of keeping information secure. Cryptography is what lets strangers send digital money to each other without a bank in the…
Proof of Work vs Proof of Stake: How Blockchains Agree
A blockchain has no boss. Thousands of independent computers each hold a copy of the ledger, and anyone can submit a transaction at any time. So how do…
What Is a Crypto Wallet?
If you have ever used online banking, you probably imagine a crypto wallet as a kind of digital piggy bank: a place where your coins sit until you…
Understanding Market Capitalization
"The price of a coin is $0.0001 — if it just reaches $1, I'll be rich!" This is one of the most common thoughts a beginner has in…
Blockchain Transaction Fees Explained
Every blockchain transaction costs something. Whether you are sending cryptocurrency to a friend, swapping one token for another, or minting a digital collectible, you pay a fee —…