Solana Sets 1 SOL Minimum Stake Delegation After Stake Program Goes On-Chain

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Solana activated version 5 of its stake program on mainnet on June 18, 2026, raising the minimum stake delegation from one lamport to 1 SOL under proposal SIMD-0490. The change was made possible because the stake program has been migrated from hardcoded validator code to an upgradeable on-chain BPF program, meaning staking rules can now be updated without requiring a full validator release. The new minimum applies only to new delegations, splits, and moves — existing sub-1-SOL delegations continue earning rewards but cannot be split or moved, only merged, deactivated, or withdrawn. The update targets a long-standing network inefficiency where tens of thousands of tiny stake accounts — from airdrops, test delegations, and split remainders — cost more to process than they earned. Users holding sub-1-SOL stake accounts are advised to merge accounts delegated to the same validator, withdraw inactive dust, or deactivate and consolidate their positions.

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