Blockchains and Cryptocurrency

Here are some blog posts on the inner workings of blockchains and cryptocurrency.

Proof of work

• What is the Bitcoin proof of work problem?
• Why use hash puzzles for proof of work?

Addresses and wallets

• Vanity addresses
• Ethereum address checksum algorithm
• Base58 and Bitcoin addresses
• What’s in your wallet?
• Recovering an out-of-order seed phrase
• Probability of typing a wrong Bitcoin address

Elliptic curves

• Pallas, Vesta, and Zcash
• Bitcoin’s elliptic curve
• Monero’s elliptic curve
• Tiny Jubjub elliptic curve

Quantum computing

• How quantum computing would impact Bitcoin
• El Salvador’s Bitcoin reserves and quantum attacks

Zero knowledge

• Elliptic curves used in zero-knowledge proofs
• Legendre and Ethereum

Miscellaneous

• What is RIPEMD-160?
• Genesis Block Easter Egg

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