NFT Trading Volume and Wash-Trading Signals
Evaluate NFT volume with transaction-level evidence, repeated counterparties and transparent exclusions, while keeping suspicious patterns separate from proven intent.
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Tokens & markets
Understand asset metadata, market observations and the calculation behind a price or ranking.
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Token Holders vs Users: Reading Adoption Metrics
Distinguish token-holding addresses from people and active users, including custody concentration, dust balances and contract-owned holdings.
Read the guideTotal Supply vs Circulating Supply in Token Data
Compare on-chain total supply with circulating-supply estimates, and document exclusions such as locked, treasury, custody or burned holdings.
Read the guideToken Symbol Collisions and Asset Identity
Prevent assets with matching symbols from merging by using chain and contract identifiers, while treating names, logos and tickers as display metadata.
Read the guideToken Allowance vs Balance: Different Questions
Distinguish a token owner’s balance from an allowance granted to a spender, including changing state and why approval is not a payment.
Read the guideERC-20 Permit: Signatures, Nonces and Deadlines
Understand permit-style token approvals, track nonce and deadline context, and avoid confusing an off-chain signature with an executed allowance change.
Read the guideWrapped Native Tokens: Deposits, Withdrawals and Transfers
Model wrapped-native-token activity separately from native currency, preserving deposit and withdrawal evidence without double-counting conversions.
Read the guideNFT Royalties: Quotes vs Executed Payments
Distinguish NFT royalty information from actual sale payouts, and avoid treating a royalty quote as proof that a marketplace paid the creator.
Read the guideDetecting Token Mints and Burns from Events
Interpret mint and burn evidence with contract-specific rules, supply checks and careful handling of zero-address transfer conventions.
Read the guideFinding NFT Ownership at a Historical Block
Answer who owned an NFT at a selected block using state or ordered transfer evidence, with explicit handling of minting, burning and incomplete history.
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DEX Spot Price vs Execution Price
Compare a pool’s marginal spot price with the price realised by a trade, including trade size, price impact, fees and unit conversion.
Read the guidePrice Impact vs Slippage in AMM Trades
Distinguish the curve effect of trade size from execution uncertainty, and explain how a slippage limit relates to a quoted minimum output.
Read the guideThe editorial approach
Useful questions.
Traceable explanations.
Each guide starts with a concrete developer question and separates technical observations from the interpretation an application adds. Worked examples use illustrative values; references point to standards and technical documentation.
Published by Indexbase. Explore related guides as your requirements develop, from a first data question to a more deliberate integration workflow.