Blockchain Multi-Chain Support

Overview#

An exchange compliance team once maintained eleven separate blockchain integrations, each with its own data format, API quirks, and maintenance burden. When a new chain gained traction, adding support meant months of engineering work. The multi-chain support infrastructure replaces that fragmentation with a single, consistent interface across 15+ networks, from Bitcoin's UTXO model to Ethereum's smart contract ecosystem to Solana's program-derived addresses.

The Multi-Chain Support system delivers blockchain intelligence across 15+ blockchain networks through a standardized API. Designed for cryptocurrency exchanges, financial institutions, compliance teams, and blockchain analytics platforms, this infrastructure removes the complexity of managing multiple blockchain integrations. The system abstracts chain-specific details while preserving native features, enabling investigators and developers to query Bitcoin, Ethereum, Solana, and dozens of other chains through a consistent interface.

Mermaid diagram
graph LR
    A[Unified API] --> B[Bitcoin / UTXO]
    A --> C[Ethereum / EVM]
    A --> D[Solana]
    A --> E[Cardano]
    A --> F[Cosmos Ecosystem]
    A --> G[Layer 2 Networks]
    B --> H[Normalized Response]
    C --> H
    D --> H
    E --> H
    F --> H
    G --> H
    H --> I[Compliance Screening]
    H --> J[Transaction Analysis]
    H --> K[Entity Attribution]
    H --> L[Risk Scoring]
    style A fill:#4a90d9
    style H fill:#50c878

Key Features#

Unified Cross-Chain API: Identical query syntax works across all supported chains, removing the need for separate integrations per blockchain
Automatic Chain Detection: Identifies the target blockchain from address format alone with high accuracy, making investigation workflows faster
Universal Data Normalization: Chain-specific responses are transformed to a consistent data model while preserving native feature access
Multi-Provider Redundancy: Connections to multiple providers per blockchain with intelligent routing, automatic failover, and health monitoring for enterprise-grade reliability
Block Explorer Integration: Direct links to 47+ block explorers with automatic network selection and correctly-formatted URLs
Chain-Specific Feature Preservation: Despite a unified API, unique chain capabilities (Bitcoin UTXOs, Ethereum smart contracts, Solana programs, Cardano staking) remain fully accessible
Real-Time Network Monitoring: Continuous tracking of block production, fee markets, network health, and chain upgrades across all supported networks

Supported Networks#

Layer 1 Networks:

UTXO Chains: Bitcoin, Bitcoin Cash, Litecoin, Dogecoin, Zcash
EVM-Compatible: Ethereum, Ethereum Classic, BNB Chain, Polygon, Avalanche C-Chain, Fantom, Cronos, Moonbeam, Moonriver, Celo, Aurora, Gnosis Chain
Alternative Consensus: Solana, Cardano, Polkadot, Kusama, Cosmos Hub, Algorand, Tezos, NEAR Protocol, Aptos, Sui
Enterprise: Stellar, Ripple XRP Ledger

Layer 2 Solutions:

Ethereum L2s: Arbitrum One, Arbitrum Nova, Optimism, Base, zkSync Era, Polygon zkEVM, Starknet, Linea, Scroll, Blast
Bitcoin L2s: Liquid Network, Rootstock (RSK)

Sidechains and Specialized:

Sidechains: Polygon PoS, Ronin, Palm Network
Gaming/Metaverse: Immutable X, Flow, WAX
Privacy: Monero

Query Capabilities#

Address Intelligence: Balance queries, transaction history, token holdings, contract interactions
Transaction Analysis: Confirmation status, fee calculations, input/output parsing, memo/data extraction
Block Data: Height, timestamp, miner/validator, transaction count, network metrics
Token Operations: ERC-20/SPL/BEP-20 balances, NFT ownership, DeFi positions, staking records
Smart Contract Data: Function calls, event logs, state changes, contract creation history
Network Status: Current block height, average fees, network health, validator status

Chain-Specific Features#

Bitcoin: UTXO tracking, SegWit/Taproot address types, Lightning Network channel detection, Ordinals and Inscriptions
Ethereum: Smart contract interaction, event log parsing, gas estimation, ENS resolution, MEV detection
Solana: Program-derived addresses, Token-2022 support, compressed NFTs, compute unit analysis
Cardano: Native asset policies, staking pool information, Plutus script data, CIP metadata
Cosmos: IBC transfer tracking, validator analytics, governance proposals
Polkadot: Parachain identification, staking nominations, XCM cross-chain messaging

Investigation Use Cases#

Cross-Chain Fund Tracing#

Trace fund flows across multiple blockchain networks through bridges, cross-chain swaps, and multi-chain wallet activity
Identify when assets move between fundamentally different blockchain architectures as part of evasion strategies
Map connected entities across different blockchains through behavioral correlation

Multi-Chain Compliance Screening#

Screen addresses and transactions across all supported networks through a single integration
Aggregate risk exposure across multiple blockchain holdings for comprehensive portfolio assessment
Detect chain-hopping activity used to circumvent single-chain monitoring

Forensic Investigation#

Query address activity across all chains simultaneously to build complete financial profiles
Identify cross-chain relationships that reveal entity structures spanning multiple networks
Generate evidence packages covering multi-chain activity for prosecution support

Portfolio and Risk Assessment#

Aggregate balance and position data across all supported blockchains for complete asset visibility
Track cross-chain sanctions screening coverage with OpenSanctions integration
Monitor network health and fee conditions for operational decision-making

Compliance#

Single integration provides coverage across the vast majority of cryptocurrency market capitalization for AML screening
Cross-chain transaction correlation supports comprehensive FATF Travel Rule compliance
Supports Bank Secrecy Act and AML/CTF program requirements across all networks
Audit trail documentation for all cross-chain queries and screening decisions
Enterprise reliability with high-availability infrastructure and automatic failover
SOC 2 Type II compliant with GDPR data handling
TLS 1.3 encryption and DDoS protection

Last Reviewed: 2026-02-05 Last Updated: 2026-04-14

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