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Amer FosterAmer Foster

Amer Foster is the founder and lead writer of Crypto Guide 101. He has followed the cryptocurrency market since the early 2010s, through multiple full market cycles, and has used crypto directly: buying and holding Bitcoin and other assets, testing wallets and exchanges, evaluating hardware wallets, and tracking how the broader crypto ecosystem has developed over the years. He writes about crypto because he uses it — not just because he covers it.

What Is an NFT? Non-Fungible Tokens Simply Explained

May 4, 2026April 28, 2026 by Amer Foster
NFT

In March 2021, a digital artist named Beeple sold a collage of his work at Christie’s auction house for 69 …

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What Is DeFi? Decentralized Finance for Beginners

June 7, 2026April 23, 2026 by Amer Foster
What Is DeFi Decentralized Finance for Beginners

Picture this: you want a loan. You walk into a bank, fill out paperwork, wait days for approval, pay origination …

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What Is Crypto Staking? Earn Passive Income Explained

May 8, 2026April 19, 2026 by Amer Foster

Picture a savings account where your balance earns interest every month. You do not move the money, you do not …

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What is market cap in crypto and why does it matter?

May 29, 2026April 14, 2026 by Amer Foster

When someone says Bitcoin is worth more than Ethereum, they are usually comparing prices per coin. But price per coin …

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Crypto token vs coin: key differences explained

June 7, 2026April 9, 2026 by Amer Foster
Crypto token vs coin

The terms “coin” and “token” are used interchangeably across crypto news, exchange listings, and investment discussions, but they are not …

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What is a private key and public key in crypto?

April 9, 2026April 3, 2026 by Amer Foster
What is a private key

A private key is a string of letters and numbers that gives you access to your cryptocurrency. Think of it …

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Bitcoin history: from $0 to all-time highs, full timeline

July 30, 2026April 3, 2026 by Amer Foster

In October 2009, a forum user sold 5,050 bitcoins for $5.02 through PayPal. The price per coin came out to …

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What is an altcoin? Types, examples and differences from Bitcoin

May 4, 2026April 3, 2026 by Amer Foster
Altcoins

Altcoins are all cryptocurrencies other than Bitcoin. The name is short for “alternative coin,” and it covers everything from the …

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What Is Blockchain Technology and How Does It Work?

May 4, 2026April 3, 2026 by Amer Foster
What is blockchain

A blockchain is a shared digital ledger that records transactions across a network of computers. No single person or organisation …

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How Does Bitcoin Work? A Simple Explanation

July 8, 2026April 3, 2026 by Amer Foster
Bitcoin transaction work

Bitcoin is a digital payment system that runs on a network of computers with no bank or government in the …

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