ChainCatcher 消息，Anza 宣布，Solana 账户租金降低提案 SIMD-0437 的第二阶段已在主网测试版上线。在 epoch 1033，用于计算账户免租最低余额的每字节参数由 6333 lamports 降至 5080 lamports，较初始水平累计下降约 27%，降低了账户维持免租状态所需的 SOL 余额。
Anza 同时分享了回收多余 SOL 的说明：拥有相应权限的用户可通过 WithdrawExcessLamports 指令，提取代币账户、代币铸造账户等超出免租最低余额的 SOL，无需关闭账户，也不影响代币余额。后续各阶段没有固定上线时间表，第三阶段须在确认链上状态增长处于安全范围后才会激活；必要时可通过 SIMD-0438 逆向调整。
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