Bitcoin
Bitcoin CPFP: when a child transaction helps a stuck parent
A source-linked ChainView guide about how a child transaction can raise the effective fee of a package while inputs, outputs and ownership still require checking.
All articles
A source-linked knowledge base covering Bitcoin, Ethereum, blockchain networks, wallet security, regional rules and practical tutorials for readers living abroad.
Bitcoin
Bitcoin UTXO consolidation: timing, fees and privacy trade-offs
A source-linked ChainView guide about why consolidating small outputs can reduce future fees but can also reveal relationships and create a large transaction.
Bitcoin
Bitcoin fee replacement (RBF): how to read an unconfirmed payment
A source-linked ChainView guide about how fee replacement changes an unconfirmed transaction without pretending that a confirmed payment can be cancelled.
Ethereum
MEV on Ethereum: Why Transaction Ordering Affects Execution
Understand maximal extractable value, sandwich risk and slippage controls without treating an execution strategy as a profit guarantee.
Ethereum
From Signature to Finality: How an Ethereum Transaction Moves
Follow an Ethereum transaction from wallet signature through nonce checks, block inclusion, receipts and consensus finality.
Ethereum
Ethereum Account Abstraction: What Smart Accounts Change for Users
See how smart accounts, paymasters and batched actions differ from a traditional externally owned account, and what new trust checks they require.
Ethereum
ERC-20 Tokens on Ethereum: Contract Addresses, Decimals and Transfer Checks
Understand the ERC-20 interface and use contract, network and decimal checks before sending or approving a token.
Ethereum
Bridging Assets to Ethereum Layer 2: A Safer Pre-Transfer Checklist
Before using an Ethereum bridge, verify canonical links, token representations, finality and the path back to the original network.
Ethereum
Ethereum Staking Explained: Validators, Rewards and Exit Queues
Learn how Ethereum validators attest blocks, where staking returns come from, and which operational checks matter before delegating or running a validator.
Ethereum
Ethereum Layer 2 Rollups: Data, Fees and Withdrawal Timelines
A practical guide to optimistic and zero-knowledge rollups, including what changes when assets move between Ethereum and a Layer 2 network.