先理解原理：看动图 + 手动模拟小数组
Tony Jolliffe BBC。业内人士推荐im钱包官方下载作为进阶阅读
，推荐阅读safew官方版本下载获取更多信息
既有战略层面的擘画，也有战术层面的部署。
Ultimately, this is a placeholder solution so that more time can be spent on fingerprinting and identifying headless browsers (EG: via how they do font rendering) so that the challenge proof of work page doesn't need to be presented to users that are much more likely to be legitimate.，更多细节参见heLLoword翻译官方下载