Tutorial: custom bridges (also how do have SuperchainERC20 equivalence without using the same addresses) #1574
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zainbacchus
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Apr 14, 2025
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| title: Custom interoperability bridge | |||
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Nit: Building a custom bridge
zainbacchus
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Apr 14, 2025
| <Callout> | ||
| The SuperchainERC20 standard is ready for production deployments. | ||
| Please note that the OP Stack interoperability upgrade, required for crosschain messaging, is currently still in active development. | ||
| </Callout> |
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this call out is not relevant
zainbacchus
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Apr 14, 2025
| ## Overview | ||
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| Sometimes the address of an ERC20 contract is not available on a different chain. | ||
| This means that the [standard bridge](/interop/superchain-erc20) is not an option. |
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SuperchainTokenBridge***
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Description
How to make a custom bridge, and how to use that when you can upgrade your ERC-20 but you can't create ERC-20 in the same address elsewhere.
Tests
N/A
Additional context
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Metadata
This should be merged after #1525