Vitalik：基于期权而非债务构建指数跟踪资产值得考虑和尝试
ChainCatcher 消息，Vitalik 在 X 平台发文表示，基于期权而非债务构建指数跟踪资产值得考虑和尝试，即将期权作为 DeFi 基础，而非 CDP 和清算机制。该设计可避免极端价格波动造成剧烈且全局性的清算效果，使对指数的敞口以更平滑的二次方式偏离偏好敞口。
其关键优势是无需即时预言机，可基于慢速预言机运行，即预测市场使用的预言机类型。该设计存在明显缺点，即需要定期再平衡，目前仍需明确再平衡能否以及如何具备足够的抗滑点能力。Vitalik 补充称，相比依赖必须实时给出答案且可能在无人工补救时间内被诱导给出错误实时答案的预言机机制，他认为持有置于此类机制中的算法稳定币更安全。
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