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Extension tier: Premium Tron, Solana and Bitcoin all have higher onchain transaction costs and as such access to these chains must be enabled through this extension.

What’s enabled

  • Deposits to a Tron Smart Deposit Address — Smart Deposit Addresses can be generated on Tron. Users can send supported tokens to a Rhino.fi SDA on Tron, and funds are settled to the configured destination chain. For all deposits to a Tron Smart Deposit Address there is a per-transaction $1.40 cost.
  • Tron as a destination — Bridges can settle to a Tron address. There is a per-transaction $1.40 cost for this.
  • Solana as a destination — Bridges can settle to a Solana address. There is a per-transaction $0.50 cost for this.
  • Deposits to a Bitcoin Smart Deposit Address — Smart Deposit Addresses can be generated on Bitcoin. Users can send supported tokens to a Rhino.fi SDA on Bitcoin, and funds are settled to the configured destination chain. For all deposits to a Bitcoin Smart Deposit Address there is a per-transaction $1 fee which can be sponsored or paid by the customer.

Why this is a separate extension

These chains requires specific infrastructure, compliance controls and operational processes that differ from EVM chains and have a higher per-transaction cost. To enable this extension, please speak with your Rhino.fi Account Manager.

Integration

Once Tron, Solana and Bitcoin Access is enabled on your account, Tron and Solana will appear in the bridge config (bridgeConfigs) as an available chain with enabledDepositAddress: true. No code changes are required beyond confirming that these chains are listed. For SDA generation on Tron and Bitcoin, use "TRON" or "BITCOIN" in the depositChains array.
Generating a Tron or Solana or Bitcoin SDA requires a separate call. I.e. you can specify many EVMs to generate SDAs across all EVMs. Then generate a Tron (or Solana or Bitcoin) SDA with a separate call.
For Tron as a destination, use "TRON" as the destinationChain. For Solana, use "SOLANA".

SDK support

Chain adapter documentation is available at Chain Adapters