大厂BlockChain实践
https://www.ibm.com/cloud-computing/cn/zh/newplatform/blockchain/offerings/?S_PKG=-&cm_mmc=Search_Baidu-_-CA+Consolidated+Advertising_PRG1326-_-CN_CN-_-ibm区块链平台_Broad_-&cm_mmca1=000027JN&cm_mmca2=10006680&mkwid=1cb19965-c912-47b2-a045-0c23ed66a09e_968_2684
https://tech.antfin.com/blockchain
https://trustsql.qq.com
https://xchain.baidu.com