Ultra.io Docs

Ultra Bridge ​

Bridge URL: https://bridge.testnet.ultra.io/

Transfer UOS tokens between Ultra blockchain and Ethereum networks.

Ultra Bridge Main Interface

Tutorial Flow ​

  1. Setup - Install wallets and get testnet tokens
  2. Connect - Connect Ultra and EVM wallets
  3. Ultra → EVM - Transfer from Ultra to Ethereum
  4. EVM → Ultra - Transfer from Ethereum to Ultra
  5. Resume Ultra→EVM - Continue interrupted Ultra→EVM transfers
  6. Troubleshoot - Fix common issues

Requirements ​

  • Ultra Wallet (extension or web wallet)
  • EVM Wallet (MetaMask, WalletConnect, etc.)
  • Sepolia ETH for gas fees (claiming Ultra→EVM transfers only)

Networks:

  • Ultra Testnet - Get tokens via faucet
  • Ethereum Sepolia

UOS Token Contract (Sepolia): 0x3AC63AA2c077D676Fa24a7BCE05b05A2F81237FE