[{"title":"( 7 个子文件 66.08MB ) 40分钟搞懂区块链 从原理到应用,理解4大核心问题","children":[{"title":"20、40分钟搞懂区块链 从原理到应用,理解4大核心问题","children":[{"title":"区块链助力解读 (1).pdf <span style='color:#111;'> 712.92KB </span>","children":null,"spread":false},{"title":"1115-40分钟搞懂区块链 (3).pdf <span style='color:#111;'> 1.63MB </span>","children":null,"spread":false},{"title":"1115-40分钟搞懂区块链 (2).pdf <span style='color:#111;'> 3.14MB </span>","children":null,"spread":false},{"title":"区块链助力解读 (3).pdf <span style='color:#111;'> 850.50KB </span>","children":null,"spread":false},{"title":"区块链助力解读 (2).pdf <span style='color:#111;'> 702.12KB </span>","children":null,"spread":false},{"title":"1115-40分钟搞懂区块链 (1).pdf <span style='color:#111;'> 2.98MB </span>","children":null,"spread":false},{"title":"1115-40分钟搞懂区块链.mp4 <span style='color:#111;'> 75.48MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]