Exiting ~7,000 Validators: A Case Study in Optimizing Ethereum Validator Exits In December 2025, A41 announced their decision to wind down validator operations across all networks and conclude its participation as a Lido Curated Node Operator. Contributors optimized their exit to minimise protocol reward loss under a constrained timeline. This case study presents the approach, operational execution, and lessons learned from the exit. ↓(Lido)