Ethereum Calldata Explained: How to Decode Transaction Input Data
Learn how Ethereum calldata encodes function selectors and arguments, how explorers decode it, and what to verify before signing a contract transaction.
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Crypto news, research, and plain-English explainers
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Ethereum Blob Fees Explained: Why Layer 2 Costs Still Change
Learn how Ethereum blob fees work, why EIP-4844 gave rollups a separate data lane, and what can still make Layer 2 transaction costs rise.
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ERC-1271 Smart Contract Signatures: How Wallets Verify Authority
ERC-1271 lets smart contract wallets validate signatures with programmable rules. Learn how isValidSignature works, where compatibility breaks, and key risks.
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ERC-2612 Permit vs Permit2: How Signature-Based Token Approvals Work
ERC-2612 Permit and Uniswap Permit2 can simplify ERC-20 approvals, but signatures still carry risk. Compare their flows, scope, and safety checks.
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Multi-Token Crypto ETF Explained: How an Active Crypto ETP Works
Multi-token crypto ETFs bundle several digital assets in one exchange-traded product. Learn how active allocation, custody, fees, and risks work.
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Clear Signing vs Blind Signing: How to Read Crypto Wallet Prompts
Clear signing makes wallet prompts readable. Learn how blind signing differs, what EIP-712 and draft ERC-7730 do, and what to verify.
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Cross-Chain Intents Explained: How ERC-7683 Solvers Work
Cross-chain intents let you request an outcome instead of choosing every bridge step. Learn how solvers, resolvers, settlement, and ERC-7683 work.
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Ethereum Validator Consolidation: How MaxEB and EIP-7251 Work
Learn how Ethereum validator consolidation, Type 2 withdrawal credentials, and the 2,048 ETH maxEB limit work—and what operators should check first.
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Ethereum Validator Slashing Explained: Penalties, Causes, and Prevention
Understand Ethereum validator slashing, how it differs from ordinary downtime penalties, what triggers it, and how solo stakers can reduce operational risk.
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