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技術, 頭條

BNB 鏈現「無限鑄造」安全漏洞！Jump Crypto：BNB 鏈某些技術，提高了漏洞可能性

Posted on 2023-02-14 by Rex Chung

By Rex Chung —— 2023-02-14
29 shares / 3.0k views
________________________________________________________________________________________

加密貨幣做市商 Jump Crypto 上週末發佈一篇文章表示，他們發現 BNB Beacon Chain (BNB 鏈的治理與質押層) 一個漏洞，攻擊者可以藉此在 BNB 鏈上鑄造無限數量的任意代幣。所幸 Jump Crypto 已私下向 BNB 鏈團隊提出警告。

據 Jump Crypto 文章說明 BNB 鏈的技術結構有點獨特，它由兩個區塊鏈組成，一個是基於 go-ethereum 的 EVM 兼容 BSC 智能合約鏈，另一個是 Tendermint 和 Cosmos SDK 構成的 Beacon Chain (BC)。

然而，BNB 鏈的 Beacon Chain 並沒有沿用 Cosmos SDK 的上游版本，而是使用託管在 GitHub 上、具有幾個特定於 BNB 的修改分叉版，它在幾個方面偏離了 Cosmos SDK 的上游版本，因此促使他們在審查時格外小心。