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.
GOMTU5 min readTagged #security
GOMTU5 min read
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.
GOMTU6 min read
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.
GOMTU5 min read
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.
GOMTU5 min read
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.
GOMTU6 min read
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.
GOMTU7 min read
Passkey Crypto Wallets Explained: Convenience, Recovery, and Real Risks
Passkey crypto wallets replace seed-phrase-first onboarding with device authentication. Learn how they work, what they protect, and where risks remain.
GOMTU6 min read
Blockchain Finality Explained: When Is a Crypto Transaction Really Settled?
Learn how blockchain finality differs from confirmation, why Bitcoin and Ethereum settle differently, and what to check before moving funds again.
GOMTU5 min read
Quantum-Resistant Crypto Wallets: What Users Should Know in 2026
Learn how quantum computers could affect crypto wallet keys, what Ethereum is changing, and what wallet users should—and should not—do today.
GOMTU6 min read
Multisig vs MPC Wallets: How Shared-Control Crypto Custody Works (2026)
A single seed phrase is one point of failure. Multisig and MPC wallets both fix that — very differently. How each works, who should use which, and the risks.
GOMTU5 min read
MEV Explained: The Hidden Tax on Your Crypto Trades (2026)
MEV is the invisible profit from reordering blockchain transactions, quietly costing you on DEX trades. How sandwich attacks work and how to defend yourself.
GOMTU5 min read
Token Approvals and Wallet Drainers: How to Protect Your Crypto (2026)
Wallet drainers don't steal your keys — they trick you into approving them. How token approvals work, how drainers exploit them, and how to revoke access.
GOMTU4 min read
Hot Wallet vs Cold Wallet: Which Crypto Storage Fits You? (2026)
Hot wallet or cold wallet — which should hold your crypto? Compare security, convenience, cost, and use cases, plus how hardware wallets actually work.
GOMTU6 min read
Account Abstraction Explained: How Smart Wallets Work (2026)
Learn how account abstraction and ERC-4337 smart wallets work — seedless recovery, gasless transactions, and passkeys. A 2026 guide to smarter crypto wallets.
GOMTU6 min read
Cross-Chain Bridge Guide: How to Bridge Safely in 2026 (Step-by-Step)
Learn how to use cross-chain bridges safely: what they are, how lock-and-mint and liquidity pool bridges work, a step-by-step tutorial, and how to avoid the hacks that cost DeFi over $2.8B.
GOMTU7 min read
Crypto Wallet Security: Your Complete Hub for Keys, Scams & Safe Custody
Everything you need to know about crypto wallet security — seed phrases, smart wallets, bridge risks, and scam prevention. Your gateway to staying safe on-chain.
GOMTU6 min read