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FC MARKETS

Markets, money and the economy, explained for American investors

Topic

Blockchain

2 articles

Crypto

Proof of Work vs. Proof of Stake: How Blockchains Agree on Truth

Every public blockchain needs a way to agree on which transactions are valid without a central authority. Proof of work and proof of stake are the two main answers. This explainer compares how each works, what each costs and protects against, and the trade-offs investors should understand.

5 min read

Crypto

How Bitcoin Works: Blockchain, Mining, Halvings and the 21 Million Cap

Bitcoin is a shared ledger kept honest by math and competition rather than a bank. This explainer walks through how transactions move, what miners actually do, why new supply is cut in half roughly every four years, and what the 21 million limit means for anyone trying to understand the asset.

6 min read