[Lido: Proposal for NEST System Aimed at Establishing Technical Foundation for LDO Token Buyback Now Open for Voting] According to Lido's official announcement, the proposal to build the modular system NEST is now open for voting. This system aims to utilize stETH from the Lido DAO treasury to buy back LDO. If the proposal is approved, the first practical buyback test is expected to take place in December 2025. NEST is a response to the ongoing discussions about LDO buybacks. While NEST itself is not a buyback proposal, it lays the technical foundation for potential future buyback mechanisms. Its design is intended to simplify the stETH→LDO conversion process, with the converted LDO automatically sent to the Lido DAO treasury. This proposal only covers the development of the NEST architecture. Activating the architecture will require a separate on-chain vote. If the proposal is approved, research, timeline planning, and detailed design will commence immediately.