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加密货币交易所BitMEX推出可保护用户隐私的交易所资产与负债证明工具

2021-08-13 17:34:51

链捕手消息,加密货币交易所BitMEX昨日宣布推出可以保护用户隐私的交易所资产与负债证明工具。该工具实现了可以验证 BitMEX 可支配代币余额以及让用户验证其账户余额是否被包含在交易所可支配余额中,或交易所能否偿付其负债的功能,但也一定程度上保护了用户的隐私。具体实现方式为,在固定时间为用户生成一个 0 到 1 之间的随机数,并让用户的资产余额依据随机数划分为两部分,并将其作为 Merkle Tree 的分支,所有用户的资产余额的「分支」加总即为交易所的资产负债总额,而这些分支是随机打乱的,但可在某一用户查看其余额时将属于该用户的两部分余额加总。该方案通过「混合」和「拆分」的方式使得第三方无法获得所有用户的余额信息或跟踪某一用户的余额变动,但可以整体上了解交易所的资产负债情况。(来源链接)

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