ERC-6492 Counterfactual Signatures: Verify Smart Wallets Before Deployment
ERC-6492 lets apps verify a smart-account signature before its contract is deployed. Learn the wrapper format, verification order, and security risks.
GOMTU8 min readTagged #security
GOMTU8 min read
EIP-5792 Wallet Call API: Batching, Capabilities, and Atomicity
EIP-5792 lets dapps request wallet call batches and inspect their status. Learn wallet_sendCalls, capabilities, atomicity, fallbacks, and risks.
GOMTU7 min read
EIP-55 Checksum Addresses: What Mixed-Case Ethereum Addresses Verify
EIP-55 checksum addresses encode typo detection in letter case. Learn the algorithm, validation workflow, limits, and safer sending checks.
GOMTU8 min read
EIP-6963 Explained: How Dapps Discover Multiple Browser Wallets
EIP-6963 lets dapps discover multiple injected browser wallets without a window.ethereum race. Learn the event flow, metadata, limits, and safety checks.
GOMTU7 min read
Solidity abi.encode vs abi.encodePacked: Differences and Collision Risks
Compare Solidity abi.encode and abi.encodePacked, see why packed dynamic values can collide, and choose safer encoding for hashes and contract calls.
GOMTU7 min read
EIP-712 Typed Data Signing: What Your Wallet Is Asking You to Approve
EIP-712 typed data signing makes off-chain messages structured and readable. Learn domains, replay risks, and what to check before signing.
GOMTU7 min readEthereum Proxy Contracts Explained: Delegatecall, UUPS, and Upgrade Risks
Learn how Ethereum proxy contracts use delegatecall, how transparent, UUPS, and beacon proxies differ, and how to verify upgrade authority safely.
GOMTU9 min read
Sign-In with Ethereum (SIWE): How Wallet Login Works and What to Verify
Sign-In with Ethereum uses a signed ERC-4361 message instead of a password. Learn the login flow, message fields, privacy limits, and safety checks.
GOMTU8 min readCrypto Address Poisoning: How to Verify Wallet Addresses Before You Send
Crypto address poisoning plants a lookalike address in your transaction history. Learn how it works and follow a safer verification checklist.
GOMTU7 min read
Crypto Transaction Simulation: Read the Result Before You Sign
Crypto transaction simulation previews likely wallet balance, approval, and contract changes before signing. Learn what to check and where it can fail.
GOMTU7 min read
Ethereum Weak Subjectivity: Why New Nodes Need a Trusted Checkpoint
Learn how Ethereum weak subjectivity checkpoints stop long-range attacks, how checkpoint sync works, and what node operators must verify.
GOMTU6 min readEthereum Light Clients and Trustless RPC: Verify Without a Full Node
How Ethereum light clients verify headers and RPC data, what trustless RPC can prove, and which security and privacy limits remain.
GOMTU5 min read
ERC-7715 Advanced Wallet Permissions: Limits, Expiry, and Risks
Learn how draft ERC-7715 lets smart wallets grant scoped dApp permissions, how limits and expiry work, and what users must verify before approval.
GOMTU7 min read
ERC-4337 Paymasters Explained: How Gas Sponsorship Works
Learn how ERC-4337 paymasters sponsor gas, support token fee payments, and introduce security and availability trade-offs for smart-wallet users.
GOMTU6 min read
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.
GOMTU6 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.
GOMTU7 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.
GOMTU7 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.
GOMTU7 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.
GOMTU7 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.
GOMTU8 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.
GOMTU8 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.
GOMTU7 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.
GOMTU7 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.
GOMTU7 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.
GOMTU6 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.
GOMTU6 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.
GOMTU7 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.
GOMTU8 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.
GOMTU9 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.
GOMTU11 min read