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This page reflects Silo’s current chain and asset support. It will be updated as new chains and assets go live.

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Chains

Ethereum: live on testnet.
Sui: live on testnet.
Solana: live on testnet. Mainnet deployment follows the completion of smart contract audits. Additional chain support is planned and will be announced as integrations are completed.

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Assets

Silo launches with a whitelisted set of assets on each chain: major stablecoins, including USDC and USDT, and each chain’s native asset (ETH on Ethereum, SUI on Sui, SOL on Solana). USDC is Silo’s settlement asset and the lowest-cost path for transactions: no swap fees apply when both sender and receiver use USDC. Payments in any other whitelisted asset are swapped through DEX liquidity as part of the payment flow. Over time, the whitelist expands toward any asset with active trading liquidity on its respective chain’s DEXs. When new assets are added, this page will be updated to reflect which assets are available on which chains.

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Bridge

Cross-chain transfers are routed through CCTP (Circle’s Cross-Chain Transfer Protocol). CCTP handles USDC bridging between supported chains at $0 Silo fee. It is Circle’s canonical burn-and-mint transfer protocol for USDC.

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Swap Routing

When a payment requires an asset conversion, Silo routes through available DEX liquidity on the relevant chain. Current routing integrations include Uniswap on Ethereum, DeepBook on Sui, and Raydium on Solana. Silo selects the best available route automatically. Swap fees and slippage are passed through at cost with no Silo markup.