GuidesIntermediate
Account Abstraction (ERC-4337), Without the Jargon
Bundlers, paymasters, session keys — what actually changes for users. The end of "you must hold ETH to use Ethereum."
7 min read
★ Library116 guidesPlain English
Crypto Guides & Analytics
Beginner-to-advanced crypto guides on Bitcoin, Ethereum, DeFi, staking, wallets, taxes, and security. Step-by-step tutorials backed by hands-on testing.
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Showing 9 of 116
GuidesIntermediate
EOAs vs Smart-Contract Accounts
The two kinds of accounts Ethereum has, why the distinction matters more than most tutorials admit, and where account abstraction is heading.
7 min read
GuidesIntermediate
Ethereum Gas Fees, Piece by Piece
Base fee, priority fee, EIP-1559 — the mechanics under the "gas" number every transaction pays. Where the money goes and how to price it right.
8 min read
GuidesIntermediate
The Byzantine Generals Problem in Plain Language
Why distributed agreement is hard, and what Bitcoin's solution to it actually was. The intellectual puzzle behind every consensus algorithm.
7 min read
GuidesIntermediate
Consensus Mechanisms Compared — PoW, PoS, DPoS, PoA, PoH
Five families of consensus, one page. What each optimizes for, what each gives up, and where each has been deployed at scale.
8 min read
GuidesIntermediate
Merkle Trees and How Light Clients Trust the Chain
The compact-proof structure that lets your wallet verify inclusion without downloading the whole blockchain.
7 min read
GuidesIntermediate
Digital Signatures — ECDSA vs Schnorr
What a signature proves, why Schnorr matters, and what Taproot did with it. The primitive that lets crypto wallets exist.
7 min read
GuidesIntermediate
Hashing 101 — SHA-256, Keccak, Blake, and Why It Matters
One-way functions with avalanche effects and collision resistance. What hashing actually is and why every blockchain is built on it.
7 min read
GuidesBeginner
Public-Key Cryptography, Explained for Crypto Users
Private keys, public keys, addresses, signatures. The math that makes wallets work, without the math.
7 min read