Etherscan Blog

100 уникальных статей: транзакции, газ, логи, события, верификация контрактов, ABI, токены/NFT, метки, экспорты и API.

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Etherscan: Decode Input Data on Etherscan

Learn Decode Input Data on Etherscan with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: abi • logs • tracing

Etherscan: Read Transaction Logs and Events

Learn Read Transaction Logs and Events with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: logs • contracts • abi

Etherscan: Internal Transactions vs Normal Transfers

Learn Internal Transactions vs Normal Transfers with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: gas • logs • contracts

Etherscan: Gas Used, Gas Limit and Fees Explained

Learn Gas Used, Gas Limit and Fees Explained with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: security • tx • nfts

Etherscan: Pending Transactions and Nonce Basics

Learn Pending Transactions and Nonce Basics with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: security • contracts • events

Etherscan: Track a Wallet on Etherscan: Watchlist Tips

Learn Track a Wallet on Etherscan: Watchlist Tips with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: abi • tokens • security

Etherscan: Token Transfers Tab: What It Shows

Learn Token Transfers Tab: What It Shows with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: labels • tracing • api

Etherscan: ERC‑721 (NFT) Transfers and Metadata

Learn ERC‑721 (NFT) Transfers and Metadata with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: security • gas • nfts

Etherscan: ERC‑1155 Tokens: Multi‑Asset View

Learn ERC‑1155 Tokens: Multi‑Asset View with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: gas • logs • contracts

Etherscan: Verify Contract Source Code on Etherscan

Learn Verify Contract Source Code on Etherscan with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: gas • tracing • tokens

Etherscan: Constructor Arguments & ABI Encoding

Learn Constructor Arguments & ABI Encoding with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: security • tokens • logs

Etherscan: Verify and Publish Proxy Contracts

Learn Verify and Publish Proxy Contracts with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: labels • gas • nfts

Etherscan: Read Contract: Calling View Functions

Learn Read Contract: Calling View Functions with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: nfts • api • gas

Etherscan: Write Contract: Safety and Test Steps

Learn Write Contract: Safety and Test Steps with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: contracts • logs • security

Etherscan: Events & Topics: Filtering with Topics

Learn Events & Topics: Filtering with Topics with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: tx • tokens • tracing

Etherscan: Decode Event Logs with ABI

Learn Decode Event Logs with ABI with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: events • logs • nfts

Etherscan: MethodID and Function Selector Basics

Learn MethodID and Function Selector Basics with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tokens • abi • api

Etherscan: Calldata Anatomy: Function + Args

Learn Calldata Anatomy: Function + Args with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • labels • contracts

Etherscan: Tracing Value via Internal Txns

Learn Tracing Value via Internal Txns with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: abi • gas • tokens

Etherscan: Block Details: Miner/Validator & Gas

Learn Block Details: Miner/Validator & Gas with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • tx • abi

Etherscan: Reorgs: What They Mean for Your Tx

Learn Reorgs: What They Mean for Your Tx with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: events • tokens • abi

Etherscan: Base Fee and Priority Fee (EIP‑1559)

Learn Base Fee and Priority Fee (EIP‑1559) with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • contracts • gas

Etherscan: Gas Tracker: Timing and Estimates

Learn Gas Tracker: Timing and Estimates with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: contracts • gas • nfts

Etherscan: ERC‑20 Holders: Rich List Caveats

Learn ERC‑20 Holders: Rich List Caveats with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: nfts • contracts • logs

Etherscan: Token Pages: Price, Supply and Holders

Learn Token Pages: Price, Supply and Holders with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: tokens • tracing • labels

Etherscan: Label System: What Tags Mean

Learn Label System: What Tags Mean with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tokens • api • tracing

Etherscan: Comments and Notes: Community Cautions

Learn Comments and Notes: Community Cautions with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: nfts • api • tx

Etherscan: Watch Only: Monitoring Without Keys

Learn Watch Only: Monitoring Without Keys with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • nfts • abi

Etherscan: Track Approvals Across Addresses

Learn Track Approvals Across Addresses with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: abi • contracts • tx

Etherscan: Large Transfers: Whale Alerts via Explorer

Learn Large Transfers: Whale Alerts via Explorer with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: tracing • gas • labels

Etherscan: API Key Setup on Etherscan

Learn API Key Setup on Etherscan with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • abi • nfts

Etherscan: API: Get Transactions by Address

Learn API: Get Transactions by Address with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • gas • abi

Etherscan: API: Get Internal Tx by Hash

Learn API: Get Internal Tx by Hash with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: api • gas • tracing

Etherscan: API: Get Logs by Address and Topics

Learn API: Get Logs by Address and Topics with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: events • logs • api

Etherscan: API: Get Token and NFT Metadata

Learn API: Get Token and NFT Metadata with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tokens • gas • events

Etherscan: API: Rate Limits and Pagination

Learn API: Rate Limits and Pagination with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: logs • security • tokens

Etherscan: Dapp Debug: Read/Write Tabs Workflow

Learn Dapp Debug: Read/Write Tabs Workflow with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: events • labels • nfts

Etherscan: Proxy Admin and Implementation Slots

Learn Proxy Admin and Implementation Slots with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tokens • security • tx

Etherscan: Library Linking During Verification

Learn Library Linking During Verification with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: events • abi • gas

Etherscan: Sourcify vs Etherscan Verification

Learn Sourcify vs Etherscan Verification with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tokens • events • nfts

Etherscan: Flattened Source vs Multi‑File Metadata

Learn Flattened Source vs Multi‑File Metadata with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: tokens • api • contracts

Etherscan: Solc Version and Optimization Flags

Learn Solc Version and Optimization Flags with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: contracts • logs • tokens

Etherscan: Yul/IR and New Compiler Pipelines

Learn Yul/IR and New Compiler Pipelines with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • security • events

Etherscan: Vyper Contracts: Verification Nuances

Learn Vyper Contracts: Verification Nuances with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: api • logs • tracing

Etherscan: Contract Security: Read Before You Sign

Learn Contract Security: Read Before You Sign with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: labels • tx • nfts

Etherscan: Multisig Tx on Etherscan: Tracing

Learn Multisig Tx on Etherscan: Tracing with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: api • labels • security

Etherscan: Bridged Tokens: Checking Contract Origin

Learn Bridged Tokens: Checking Contract Origin with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: tx • nfts • events

Etherscan: Decimals and Symbol: Don’t Trust Blindly

Learn Decimals and Symbol: Don’t Trust Blindly with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: tokens • api • events

Etherscan: Fake Tokens and Spoofed Transfers

Learn Fake Tokens and Spoofed Transfers with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • logs • gas

Etherscan: MEV and Sandwiches: Reading the Evidence

Learn MEV and Sandwiches: Reading the Evidence with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: api • contracts • tracing

Etherscan: Arbitrage Bots: How They Look On‑Chain

Learn Arbitrage Bots: How They Look On‑Chain with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: gas • events • labels

Etherscan: LP Tokens on Etherscan: Understanding

Learn LP Tokens on Etherscan: Understanding with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: nfts • events • abi

Etherscan: DEX Trades: Where to Find Details

Learn DEX Trades: Where to Find Details with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • tx • logs

Etherscan: NFT Collections: Holders and Transfers

Learn NFT Collections: Holders and Transfers with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: security • gas • api

Etherscan: Mint Transactions: How to Inspect

Learn Mint Transactions: How to Inspect with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: events • tracing • tokens

Etherscan: Airdrop Claims: Safety and Proof

Learn Airdrop Claims: Safety and Proof with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: labels • tokens • logs

Etherscan: Allowance Trackers: Where to Look

Learn Allowance Trackers: Where to Look with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: labels • nfts • events

Etherscan: Nonce Management: Stuck Tx Fixes

Learn Nonce Management: Stuck Tx Fixes with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: logs • security • tokens

Etherscan: Replace‑By‑Fee (RBF) and Speed Up

Learn Replace‑By‑Fee (RBF) and Speed Up with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: api • gas • security

Etherscan: Cancel a Pending Transaction: Can You?

Learn Cancel a Pending Transaction: Can You? with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: tx • tokens • tracing

Etherscan: Private Mempool vs Public Mempool

Learn Private Mempool vs Public Mempool with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: logs • security • labels

Etherscan: Cross‑Chain Bridges: Evidence on L1

Learn Cross‑Chain Bridges: Evidence on L1 with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: gas • contracts • security

Etherscan: Reentrancy Evidence in Logs: Clues Only

Learn Reentrancy Evidence in Logs: Clues Only with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: tx • api • gas

Etherscan: Contract Self‑Destruct and Create2

Learn Contract Self‑Destruct and Create2 with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: abi • tokens • gas

Etherscan: Create2 Address Predictability

Learn Create2 Address Predictability with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: labels • nfts • tx

Etherscan: Events Ordering and Missing Logs

Learn Events Ordering and Missing Logs with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: security • tx • events

Etherscan: Block Timestamps and Time Drift

Learn Block Timestamps and Time Drift with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: logs • abi • labels

Etherscan: Read Storage Slots: Low‑Level Peek

Learn Read Storage Slots: Low‑Level Peek with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tokens • abi • tx

Etherscan: EVM Opcodes View: When Useful

Learn EVM Opcodes View: When Useful with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tokens • abi • security

Etherscan: Internal Tx Limitations: Trace vs Log

Learn Internal Tx Limitations: Trace vs Log with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: security • nfts • tracing

Etherscan: Labels for CEX and Bridges

Learn Labels for CEX and Bridges with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: labels • events • contracts

Etherscan: DEX Router Addresses: Recognizing Patterns

Learn DEX Router Addresses: Recognizing Patterns with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: events • contracts • nfts

Etherscan: Sweepers and Drainers: Red Flags

Learn Sweepers and Drainers: Red Flags with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: abi • tx • api

Etherscan: Permit Phishing Evidence

Learn Permit Phishing Evidence with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear, SEO‑friendly…

2025-10-03 • Tags: nfts • tokens • tx

Etherscan: NFT Spam and Fake Collections

Learn NFT Spam and Fake Collections with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: security • tx • tracing

Etherscan: Token Approvals Gone Wrong: Stories

Learn Token Approvals Gone Wrong: Stories with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: security • tx • api

Etherscan: Staking Contracts: Reading Rewards

Learn Staking Contracts: Reading Rewards with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tokens • gas • api

Etherscan: Bribes and Voting Contracts: Trails

Learn Bribes and Voting Contracts: Trails with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • abi • contracts

Etherscan: DAO Treasury Movements: Tracking

Learn DAO Treasury Movements: Tracking with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: events • tracing • labels

Etherscan: AirDrop Farming Signatures: Caution

Learn AirDrop Farming Signatures: Caution with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tokens • labels • logs

Etherscan: ERC‑4337 Account Abstraction: Basics

Learn ERC‑4337 Account Abstraction: Basics with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: security • tracing • events

Etherscan: Paymasters and Bundlers On‑Chain

Learn Paymasters and Bundlers On‑Chain with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: logs • tx • gas

Etherscan: Calldata Compression: Why It Matters

Learn Calldata Compression: Why It Matters with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tracing • security • events

Etherscan: Gas Refunds and Storage Clearing

Learn Gas Refunds and Storage Clearing with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tx • labels • abi

Etherscan: Blob Transactions (EIP‑4844) Overview

Learn Blob Transactions (EIP‑4844) Overview with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: nfts • contracts • logs

Etherscan: Base, Arbitrum, Optimism on Etherscan

Learn Base, Arbitrum, Optimism on Etherscan with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: api • logs • labels

Etherscan: Polygon and zkSync: Explorer Notes

Learn Polygon and zkSync: Explorer Notes with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: tx • logs • abi

Etherscan: Scroll and Linea: Explorer Notes

Learn Scroll and Linea: Explorer Notes with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: nfts • abi • labels

Etherscan: Sepolia/Holesky: Testnets on Etherscan

Learn Sepolia/Holesky: Testnets on Etherscan with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: abi • tokens • api

Etherscan: Bookmarks and Audit Trails: Best Practices

Learn Bookmarks and Audit Trails: Best Practices with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a…

2025-10-03 • Tags: nfts • gas • tokens

Etherscan: Exporting Evidence for Reports

Learn Exporting Evidence for Reports with Etherscan: trace transactions, decode logs/events, verify contracts, inspect gas and automate with the API — a clear,…

2025-10-03 • Tags: gas • tracing • api