Asset Guide - USDT

Guide to USDT on Sei

What is USDT?

USDT0 is the official USDT token on Sei, fully backed 1:1 by Ethereum's native USDT and bridged via LayerZero’s OFT (Omnichain Fungible Token) standard. It enables secure, scalable, and omnichain-compatible transfers while serving as the default stablecoin for lending, swapping, and incentives across the Sei DeFi ecosystem.

Where do I get USDT?

You can get USDT from:

• On-chain swaps via Sei-based DEXs like Symphony.

• Centralized exchanges (CEXs) → Acquire USDT and bridge it to Sei.

• Bridging from Ethereum and other chains using Yei bridge or LayerZero-enabled bridges like Legacy Mesh.

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The following are available as of April 20, 2025

Get USDT on Sei

Method 1: Swap for USDT on Sei

1. Swap via Symphony.

   • Navigate to Symphony.

   • Swap any asset for USDT.

   

   • Approve the transaction.

Method 2: Bridge USDT to Sei

1. Acquire USDT.

   • Get USDT from a CEX or swap on a DEX.

2. Bridge USDT to Sei.

   • Option 1: Use Yei Bridge. (currently supports Ethereum and Arbitrum only)

     • Navigate to the Yei Bridge page.
     • Select your source chain and Sei as the destination.

     

     • Approve the transaction.

   • Option 2: Use Legacy Mesh.

     • Navigate to Legacy Mesh.
     • Select your source chain and Sei as the destination.

     

     • Review the bridge information.

     • Approve the transaction.

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Supply USDT on Yei

1. Deposit USDT.

   • Navigate to the Yei Finance dashboard.
   • Locate USDT and click "Supply".

   

   • Enter the amount and confirm the transaction.

🎉 That’s it! You are now utilizing your USDT to earn rewards and Yei points.

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Bridge USDT out of Sei

Method: Bridge out of Sei

1. Cross-chain via bridge.

   • Option 1: Use Yei Bridge. (currently supports Ethereum and Arbitrum only)

     • Navigate to the Yei Bridge page.
     • Select Sei as the source chain and choose your destination chain.

     

     • Approve the transaction.

   • Option 2: Use Legacy Mesh.

     • Navigate to Legacy Mesh.
     • Select Sei as the source chain and choose your destination chain.

     

     • Review the bridge information.

     • Approve the transaction.

For large transfers, start with a small test transaction to ensure a smooth process. Once comfortable, gradually increase the amount. Performing multiple test transactions is recommended to understand how the bridge operates.