Security
EIP-7702: Ethereum wallet delegation and security risks
EIP-7702 lets an Ethereum account controlled by a private key delegate execution to a contract. This can support…
Tag
wallet
Bitcoin
Bitcoin gap limit: why wallet funds can look missing
The Bitcoin gap limit is an address-discovery rule, not a cap on how much bitcoin you can own.…
Wallets
BIP derivation path: a practical wallet recovery guide
A derivation path identifies a location in a deterministic wallet’s key tree. One initial configuration can generate many…
Security
Crypto Permit2: signatures, phishing and revocation
Crypto Permit2 is an authorization system developed by Uniswap Labs to standardize how ERC-20 tokens are used across…
Wallets
Wallet RPC: privacy, security and safer setup
A wallet RPC endpoint is the network service that lets a wallet read blockchain state, estimate fees, simulate…
Security
Wallet address poisoning: how to spot and avoid it
Wallet address poisoning is a scam built around one ordinary habit: copying a destination from transaction history. The…
Wallets
Wallet address: what it is and how to avoid mistakes
Last updated: July 2026. Wallet address is an evergreen concept to understand before using crypto seriously. In short,…
Wallets
Hot wallet: when to use it and what risks to manage
Last updated: July 2026. Hot wallet is an evergreen concept to understand before using crypto seriously. In short,…
Wallets
Cold wallet: when to use it and what to avoid
Last updated: July 2026. Cold wallet is an evergreen concept to understand before using crypto seriously. In short,…
Bitcoin
Bitcoin UTXO: what they are and why they matter
Bitcoin UTXOs are unspent transaction outputs: amounts created by earlier transactions that can still be spent if their…