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Cosmos SDK is a framework for building application-specific blockchains. This guide covers features common to Cosmos-based networks when using Dfns wallets.

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Supported networks

Dfns supports several Cosmos SDK-based networks:
  • Cosmos Hub
  • Babylon Genesis
  • Sei Pacific (Cosmos transactions only)

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Message-based transactions

Cosmos SDK uses a message-based transaction model. Each transaction contains one or more messages, where each message represents an action (transfer, stake, vote, etc.).

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Transfer messages

The Transfer API uses standard MsgSend messages for native token transfers. Some chains may use alternative message types for specific operations.

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Transfers

Use the Transfer Asset endpoint for Cosmos transfers:
  • Native tokens: Use kind: Native (e.g., ATOM for Cosmos Hub)
  • Memo: Cosmos transfers support an optional memo field for transaction notes
For Sei Pacific, only Cosmos-based transactions are indexed. EVM transactions on Sei are not supported through the Cosmos interface.

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SDK integration

For full transaction control, use the Dfns SDK with CosmJS. See the CosmJS integration example.