Bridge: Add support for more cross-chain protocols

[LaGodxy]

Extend bridge to support Cosmos IBC and Ethereum Layer 2 networks.

[fredericklamar342-prog]

@fredericklamar342-prog has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hi, I’d like to work on this.
I can extend the bridge to support Cosmos IBC and Ethereum L2 networks with clean abstractions for cross-chain messaging and compatibility with existing bridge flows.
Kindly assign this to me.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @fredericklamar342-prog to this issue.

[drips-wave]

Congratulations, @fredericklamar342-prog! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on April 29, 2026.

🧑‍💻 @fredericklamar342-prog: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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[drips-wave]

This issue has been completed by @fredericklamar342-prog as part of the Stellar Wave Program's 4th Wave 🥳

😎 @fredericklamar342-prog: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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