https://polkadot.subsquare.io/referenda/1667

• A new data structure called Merkle Mountain Belt (MMB) is proposed.
• MMB improves on existing structures like Merkle Mountain Range (MMR).
• It helps reduce costs for bridges and other Polkadot applications.
• A research paper and Rust library will be created.
• Expected savings: around $1 million per year.
• Work will be done from August 2025 to June 2026.
• The team includes experienced Polkadot researchers and developers.
• Changes from previous proposals include lower costs and simpler goals.