[Proposal] Migrate Interchain Token Service to v1.2.1

This post represents a proposal to upgrade the Interchain Token Service contract to version 1.2.1.

This upgrade supports p2p token registration and adjustable supplies, bumps max‐uint to full‐bit precision, and adds new query endpoints.

For further details feel free to read the release notes.

The same proposal was completed on testnet successfully on May 8, 2025. Please vote on the mainnet proposal so this upgrade can go through.

Thank you!