加密货币世界：比特币，区块链和互联网的未来4.0

　　Five years after his first documentary, award-winning producer/director Torsten 中国好声音2020完整版Hoffmann revisits Bitcoin and sets out to explore the evolution of the blockchai二十四种b型图n industry and its new promise. Can this technology, designed to operate independent of trust and within a decentralized network, really provide a robust al侯京健的电影ternative to the Internet as we know it?