# Smart Contracts

**EVM**

USDLR is a direct fork of USDC's smart contracts.

Other than upgrading the Solidity compiler version from 0.6 to 0.8 and addressing breaking changes from versions [0.7](https://docs.soliditylang.org/en/v0.8.19/070-breaking-changes.html) and [0.8](https://docs.soliditylang.org/en/v0.8.19/080-breaking-changes.html), USDLR's logic is identical to USDC, which has secured at least $50B in value and has processed trillions in volume.

<table><thead><tr><th width="194">Chain</th><th>Address</th></tr></thead><tbody><tr><td>Mainnet</td><td><a href="https://etherscan.io/address/0x68592c5c98c4f4a8a4bc6da2121e65da3d1c0917">0x68592c5c98c4f4a8a4bc6da2121e65da3d1c0917</a></td></tr><tr><td>Mantle</td><td><a href="https://explorer.mantle.xyz/address/0x8FE7176F0BF63358ad9490fd24Ac0bdB4Dac33a8">0x8FE7176F0BF63358ad9490fd24Ac0bdB4Dac33a8</a></td></tr><tr><td>zkSync</td><td><a href="https://explorer.zksync.io/address/0xb6841b40BAAFEdF4e37935270357FF89dF42e68E#transactions">0xb6841b40BAAFEdF4e37935270357FF89dF42e68E</a></td></tr><tr><td>Linea</td><td><a href="https://lineascan.build/token/0x68592c5c98c4f4a8a4bc6da2121e65da3d1c0917">0x68592c5c98c4f4a8a4bc6da2121e65da3d1c0917</a></td></tr><tr><td>Arbitrum</td><td><a href="https://arbiscan.io/address/0x7e40b3e0fd0473e0240288d2b7618ac6f0c17e1b">0x7e40b3e0fd0473e0240288d2b7618ac6f0c17e1b</a></td></tr><tr><td>Optimism</td><td>Coming soon</td></tr><tr><td>Base</td><td>Coming soon</td></tr></tbody></table>