Core Schemas
EVM Core Schemas
EVM schemas share similar data structures across all EVM-compatible blockchains indexed by Allium. The following are the main categories of schemas.
Schema Categories
Raw Data
Raw blockchain data in its most fundamental form, providing the foundation for all derived analytics.
Raw
Primary blockchain data directly from nodes
blocks, transactions, logs, traces, traces_evm_transfers*
Raw+
Enhanced data about deployed smart contracts and tokens
contracts, erc20_tokens, erc721_tokens, erc1155_tokens
*only applicable for Arbitrum Orbit blockchains
Decoded Data
Human-readable versions of blockchain interactions, with parameters decoded into structured formats.
Decoded logs
Event logs with parameters decoded into JSON format for easy querying
Decoded traces
Contract interactions with input/output parameters decoded into JSON format
Metrics
Pre-computed blockchain analytics that enable efficient cross-chain comparison and time-series analysis.
Metrics Overview
Daily metrics grouped by chain, covering transactions, users, fees, token transfers, DEX activity, NFTs, stablecoins, and more. Not all metrics are available for every chain.
Assets
Comprehensive tracking of digital asset movements and holdings across the blockchain.
Balances
Real-time tracking of asset balance changes at the block level
Balances Latest
Current snapshot of all asset holdings per address
Transfers
Detailed record of asset movements between addresses
Credit Debit
Aggregated inflow/outflow analysis of assets per address
Decentralized Exchanges (DEX)
Complete coverage of on-chain trading activity and liquidity provision.
DEX Trades
Individual swap transactions across all DEX protocols
DEX Pools
Comprehensive registry of active liquidity pools
DEX Aggregator Trades
Trades routed through DEX aggregator services
DEX Events
Protocol-specific events (Uniswap V2-V4) for detailed analysis
DEX OrderFlow
Aggregated trading flow data for frontend analysis
DEX Token Prices Hourly
Historical token pricing derived from on-chain trades
Non-Fungible Tokens (NFTs)
Detailed tracking of NFT activity and ownership changes.
NFT Mints
Detailed records of new NFT creation events
NFT Trades
Comprehensive marketplace and peer-to-peer trading activity
NFT With Flags
Enhanced trading data with wash trading detection
NFT Transfers
Complete history of NFT ownership changes
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