Blockchain
Interpreting ERC-4626 Vault Shares: Assets, Shares, and Rounding Risks
Understand the distinction between vault assets and shares; verify previewed values, limits, and th…
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Blockchain
The Three Roots in a Block Header: What Do the Transaction, Receipt, and State Roots Verify?
Understand the purpose of the transaction root, receipt root, and state root—and avoid mistaking a…
Blockchain
Why Is Gas Still Deducted for Failed Ethereum Transactions? Execution Rollbacks and Fee Settlement
Distinguish between failure receipts, state rollbacks, gas consumption, and platform refunds to cor…
Bitcoin
Bitcoin Node Time and Connection Checks: From Local Clock to Peers
Understand what time, block timestamps, and node connections actually signify—and avoid making blin…
Bitcoin
How Bitcoin Transaction Fees Are Calculated: Weight, Virtual Bytes (vBytes), and Witness Data
Distinguishing between transaction byte size, weight, vSize, and sat/vB using a concrete example.
Bitcoin
Bitcoin “Dust” Is Not a Fixed Amount: Small Outputs, Relay Policies, and Spending Costs
Distinguish between node relay policies and consensus rules to understand why small outputs may be…
Bitcoin
How Compact Blocks Accelerate Propagation: Short Identifiers, Missing Transactions, and Full Validation
Understand the block reconstruction process in BIP152, and the distinction between faster propagati…
Bitcoin
Why Bitcoin Mining Rewards Cannot Be Spent Immediately: A Detailed Look at the “Coinbase Maturity” Period
Distinguishing between "coinbase transactions" (block rewards) and the exchange brand of the same n…
News
Checking crypto incident reports: losses, freezes and recovery
This editorial guide explains “Checking crypto incident reports: losses, freezes and recovery” for…