# Proto Gateway Addresses

## TESTNET 

Get testnet [USDC](https://faucet.circle.com/).

<table data-full-width="true"><thead><tr><th width="147">Chain ID</th><th width="271">Chain Name (TESTNET)</th><th>Gateway Smart Contract Address</th></tr></thead><tbody><tr><td>11155111</td><td>Ethereum Sepolia</td><td>0xC46bc942ca64aed4Eb0B1Af21347944b85EDCb04</td></tr><tr><td>43113</td><td>Avalanche Fuji</td><td>0x030x02986E15f847F4dc509F01B781E20F95da851b44</td></tr><tr><td>11155420</td><td>Optimism Sepolia </td><td>0x0bD2dDddb088703F139a6d5a1dF0A25120607907</td></tr><tr><td>421614</td><td>Arbitrum Sepolia</td><td>0x040F70B724F1E7f8509848e750bbF10e20b73f60</td></tr><tr><td>84532</td><td>Base Sepolia</td><td>0xdcc8769Be2F2E938F02f66e9F8Bb224a81da5Bc9</td></tr><tr><td>80002</td><td>Polygon Amoy</td><td>0x9803cdfd229ac9c33839F4aAF4a13A276a789c24</td></tr></tbody></table>

## MAINNET

Try it on mainnet: <https://bridge.protousd.com/>

<table data-full-width="true"><thead><tr><th width="147">Chain ID</th><th width="271">Chain Name (MAINNET)</th><th>Gateway Smart Contract Address</th></tr></thead><tbody><tr><td>1</td><td>Ethereum</td><td>0x53f67b67418dcFB5ca88D443ee82584148b3c973</td></tr><tr><td>43114</td><td>Avalanche </td><td>0x8888783155201B84613f1F85623eB7625d3B03c9</td></tr><tr><td>10</td><td>Optimism </td><td>0x64541cE2aa06194D59c4D130435792c1f178f750</td></tr><tr><td>42161</td><td>Arbitrum</td><td>0x3b05FC65F04489538619EBCe0661f29597DA8df2</td></tr><tr><td>8453</td><td>Base</td><td>0x804FD8228bc5A02db6CdA3fFa96a9C6b6D49b1e7</td></tr><tr><td>137</td><td>Polygon</td><td>0x996fCc660B3dF10d547A3A79A75191f1E344c2cb</td></tr><tr><td>48900</td><td>Zircuit </td><td>0xf1A8DEAA78bD956E687df3bfA1115A24ddd3F03d</td></tr><tr><td>995</td><td>5ire </td><td>0xC5c36314540cFaA48Fd71BA1BB9BB3966d04a8AC</td></tr><tr><td>6900</td><td>Nibiru</td><td>0x844f9248EA80Ee65F633a7Fa82Af78643d63834C</td></tr></tbody></table>