From a technical and risk perspective, I recommend using a canonical bridge for all rollups and zk rollups, like Scroll. For chains like Avalanche, BNB, and Neutron, it would be good fit to use an xERC20-like approach or bridge agnostic integration similar to what Neutron has done to prevent liquidity fragmentation. Neutron’s approach allows you to easily add more bridges in the future, enhancing the safety of bridging. You can find more details in the technical spec here.
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