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玛丽卡是一位匈牙利寡妇，住在布拉迪斯拉发郊外。1942年，她在自己的谷仓里发现了一个躲藏的犹太男孩西蒙。尽管心存疑虑和恐惧，她还是决定庇护他。同时一位纳粹军官对玛丽卡产生了兴趣，并经常拜访她。玛丽卡必须在保护西蒙和保障自身安全之间艰难抉择……。Five years after his first documentary, award-winning producer/director Torsten Hoffmann revisits Bitcoin and sets out to explore the evolution of the blockchain industry and its new promise. Can this technology, designed to operate independent of trust and within a decentralized network, really provide a robust alternative to the Internet as we know it?。