0x45d9ee2c…bbc2sent to0x35ff3fe2…dc3f·#5,552,658·view on Etherscan
https://item.jd.com/12325851.html
Memo 0x87b47687…9bbec2 on Ethereum
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《区块链冲击：改变未来产业的核心技术》https://item.jd.com/12325851.html