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What is Ink?

Ink is Kraken’s dedicated DeFi chain, built as a Layer 2 solution using the OP Stack technology. As part of the Superchain ecosystem, it provides a scalable, secure environment for decentralized finance applications while maintaining full compatibility with the Ethereum ecosystem.

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Technical Architecture

Ink’s architecture leverages the OP Stack to deliver a robust DeFi-focused platform:

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Optimistic Rollup Technology

  • Inherits Ethereum’s security through optimistic rollups
  • Posts transaction data to Ethereum mainnet
  • Uses fraud proofs for security guarantees
  • Provides fast transaction finality with L2 execution

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Network Specifications

  • Technology Stack: OP Stack (Superchain)
  • Gas Token: ETH
  • Challenge Period: ~7 days
  • Block Time: ~2 seconds
  • Network Type: EVM-compatible Layer 2

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Developer Tools & Infrastructure

  • Smart Contract Development: Support for Foundry, Hardhat, and Remix
  • Block Explorers: Multiple options for transaction monitoring
  • Infrastructure:
    • Account Abstraction support
    • Cross-chain bridges
    • Oracle integration
    • VRF capabilities
    • Indexing services

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Compatibility & Integration

  • Full EVM compatibility
  • Native bridge functionality
  • Support for standard Ethereum development tools
  • Seamless integration with existing Ethereum infrastructure

Ink Documentation

Official documentation for developers building on Ink - Kraken’s DeFi chain

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Data Catalog

Logs

Insights into smart contract interactions through event logs

Blocks

Information on blocks processed on Ink

Transactions

Detailed data on transactions

decoded

Decoded transaction information for enhanced analysis