All terms
All termsAddressBlockBlock timeBlockchainConfirmationGasGweiHashMempoolNodePrivate keyPublic keySeed phraseTransactionWalletAll time high (ATH)Bear marketBull marketCandlestickCapitulationChart patternsDollar cost averaging (DCA)Funding rateLeverageLimit orderLiquidationLiquidityMarket capMarket orderOrder bookPosition sizingRisk managementSlippageSpreadSupport and resistanceTrendVolatilityVolumeWhaleAMMBridgeCEXDAODeFiDepegDEXFlash loanGovernance tokenImpermanent lossLiquidity poolLP tokenOraclePerpetual (perp)RestakingRWAStablecoinTVLWrapped tokenYield farmingAirdropAlphaApe inBagholderDegenDiamond handsFloor priceFOMOFUDGMHODLMaxiMeme coinMoonNFTNGMINormiePaper handsPFPRektShillSnapshotWAGMIAddress poisoningCold storageCustodyDue diligence (DYOR)Dusting attackExit scamFront runningHardware walletHoneypotHot walletMEVMultisigPhishingPump and dumpRug pullSandwich attackSelf custodySIM swapToken approvalTwo factor authenticationWallet drainerWash tradingAccount abstractionAppchainBlock explorerCirculating and total supplyConsensusData availabilityEVMFaucetFinalityForkFully diluted valuation (FDV)Gas warHalvingLayer 1Layer 2Layer 3MainnetMiningName serviceOptimistic rollupProof of stakeProof of workRollupShardingSidechainSlashingSmart contractStakingTestnetToken standardTokenomicsValidatorZero knowledge proofZK rollupArweave and the permawebComposabilityCross chain messagingdAppDecentralized identity (DID)DePINGameFi and play to earnIndexerInteroperabilityIPFSOnchain and offchainSession keysSmart accountSocialFiSoulbound tokenSybil resistanceToken gatingWeb2 vs Web3Web3
Definition
Infrastructure that makes blockchain data queryable.
Blockchains are excellent at recording data and terrible at answering questions about it. Asking a chain for every trade a wallet made last month is impractical to do directly.
Indexers read the chain, structure the data and expose it through an API so applications can query it quickly. Almost every dApp interface you use depends on one.
In practice
Block explorers, portfolio trackers and DEX interfaces all sit on top of indexing infrastructure rather than reading the chain directly.
Where to go next
Block explorerA website for reading everything on a blockchain.dAppA decentralized application, where the backend is a smart contract rather than a company server.Onchain and offchainWhether something is recorded on the blockchain itself or stored somewhere else.OracleA service that brings outside data, usually prices, onto a blockchain.
More web3 terms
Arweave and the permawebComposabilityCross chain messagingDePINDecentralized identity (DID)GameFi and play to earnIPFSInteroperabilityOnchain and offchainSession keysSmart accountSocialFi
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