diff --git a/pages/stack/interop/superchain-erc20.mdx b/pages/stack/interop/superchain-erc20.mdx index b65ca2852..8cab270f0 100644 --- a/pages/stack/interop/superchain-erc20.mdx +++ b/pages/stack/interop/superchain-erc20.mdx @@ -105,7 +105,7 @@ Setting this up in advance ensures tokens will benefit from interop when it beco */} -* Deploy the ERC-20 contract at the same address on every chain in the Superchain. +* Deploy the `SuperchainERC20` at the same address on every chain in the Superchain where you want your token to be available. If you do not deploy the contract to a specific destination chain, users will be unable to successfully move their tokens to that chain. To ensure security, you must either design the deployer to allow only a specific trusted ERC-20 contract, such as `SuperchainERC20`, to be deployed through it, or call `CREATE2` to deploy the contract directly from an EOA you control. @@ -113,30 +113,10 @@ Setting this up in advance ensures tokens will benefit from interop when it beco This precaution is critical because if an unauthorized ERC-20 contract is deployed at the same address on any Superchain network, it could allow malicious actors to mint unlimited tokens and bridge them to the network where the original ERC-20 contract resides. -## Comparison to other token implementations -`SuperchainERC20` differs from other token implementations in both focus and design: - -* It implements `ERC-7802`, a minimal cross-chain mint/burn interface designed to establish a common standard across the EVM ecosystem. -* It relies on the shared trust assumptions of the Superchain. All traffic originating from any chain within the Superchain is trusted because these chains [share the same security standard](/superchain/standard-configuration). - - - Projects moving from other token implementations may need to adapt to the `SuperchainERC20` specification. - - -## FAQ - -### What happens if I bridge to a chain that does not have the ERC-20 contract? - -The initiating message will successfully burn the tokens on the source chain. -However, the executing message will fail because it attempts to call `crosschainMint` on a non-existent contract. -Once a `SuperchainERC20` contract is properly deployed on the destination chain, you can retry the executing message to retrieve your tokens. ## Next steps -* Watch the [ERC20 to SuperchainERC20 video walkthrough](https://www.youtube.com/watch?v=Gb8glkyBdBA) to learn how to modify an existing ERC20 contract to make it interoperable within the Superchain. -* Explore the [SuperchainERC20 specifications](https://specs.optimism.io/interop/token-bridging.html) for in-depth implementation details. -* Check out the [SuperchainERC20 starter kit](/app-developers/starter-kit) to get started with implementation. -* Review the [Deploy SuperchainERC20 tutorial](/stack/interop/tutorials/deploy-superchain-erc20) to learn how to deploy a SuperchainERC20. -* Build a [revolutionary app](/app-developers/get-started) that uses multiple blockchains within the Superchain -* Deploy a [SuperchainERC20](/stack/interop/tutorials/deploy-superchain-erc20) to the Superchain +* Deploy a [SuperchainERC20](/stack/interop/tutorials/deploy-superchain-erc20) to the Superchain. +* Learn about [other token standards that can benefit from Superchain interop](/stack/interop/compatible-tokens). +* Learn how to [modify an existing ERC20 contract](/stack/interop/tutorials/custom-superchain-erc20) to make it interoperable within the Superchain.