3/ In the blockchain (#Solidity) world, even the simplest algorithm/data structure is being reinvented, such as SafeMath created by @OpenZeppelin, Bitmask, and Tree libraries created by #Cartesi. And not to mention complex toolchains and filesystems are not available.
3/在区块链（#Solidity）世界中，甚至最简单的算法/数据结构也在被重新发明，例如@OpenZeppelin创建的SafeMath、Bitmask和#Cartesi创建的树库。更不用说复杂的工具链和文件系统也不可用。