Guides
Bridge finality: confirmations and transfer timing
Bridge finality is not the first check mark in a wallet. Separate the source-chain transaction, the bridge’s verification…
Author
Marco Italiani
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
Bitcoin dust attack: privacy risks and safe handling
A Bitcoin dust attack uses unsolicited small outputs to observe possible links in later spending. Receiving one does…
Bitcoin
Bitcoin UTXO consolidation: fees, timing and privacy
Bitcoin UTXO consolidation means spending several outputs into one or a few new outputs that you control. It…
Ethereum
Layer 2 sequencers: ordering, downtime and censorship
Layer 2 sequencers receive transactions, decide their execution order and help produce the state that a rollup later…
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…
Bitcoin
Bitcoin RBF and CPFP: how to raise a stuck fee
An unconfirmed Bitcoin transaction does not become faster because someone sends a second payment or adds an arbitrary…
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…