以太坊技术服务商OpenZeppelin发布智能合约库Cairo v0.2.0
链捕手消息，以太坊技术服务商 OpenZeppelin 发布为 StarkNet 构建的智能合约库 Cairo v0.2.0，该版本利用了 Cairo 命名空间的可扩展性模式、实施了与以太坊兼容账户合约的首个版本、附带了安全访问和特权管理基本构建块AccessControl 库、以及增添了保护重入攻击的实用程序 ReentrancyGuard等。
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