hi, suppose one application certificate is issued by one fabric org's ca and the certificate needs being verified in an application chaincode. One way is to get the org's root ca certificate. But I do

Hi, in fabric 1.2 release doc, especially the link https://hyperledger-fabric.readthedocs.io/en/release-1.2/network/network.html describes the dynamic expansion of a network, however, the whole doc do

Hi Guo, Thank you for providing the link. I have one question after reading the link. Should the msp of the org3 be added into the order configuation block? If so, how to add. I am not clear about thi

Hi it is easy to add a peer into an existing fabric network by chanel join command. How to add a new org into the existing fabric network? Thank you. Regards, qs meng

Hi, Shiseki, Akimitsu Thank you for the explanation. As you say " These rules are agreed by the business network participants and expressed in chaincode as a smart contract. ", we can express as follo

Hi, In bitcoin there exist script to define condition under which bitcoin can be spent. In ethereum, the smartcontract also can define condition under which ether can be spent and it behaves like a ju

Hi Baohua, thank you for the link. Maybe, kafka is good at detecting crash failure while bft is good at detecting malicous failure. best regards, qs meng 在 2018-05-15 21:06:23，"Baohua Yang" <yangbaohu

H, It is said that kafka can tolerate about one half nodes's failure with about 10000 tps and sbft can tolerate about one third nodes's failure with about 2000 tps. From this comparison, kafka take an

Hi, A client would send a proposal to endorsers for endorsement. Now there exist two ways describing the process. 1. the client sends the proposal to each of the endorsers. 2.the client sends the prop

hi, the following is from "Hyperledger Fabric: A Distributed Operating System for Permissioned Blockchains" by IBM authors. During this experiment, we also observed the size MINT and SPEND transaction

hi, A question is often asked that what computer can be used for Fabric system and how long it can serve. To answer the question above, the size of a transaction is one factor to consider. There are t

Hi Kim， Thank you for the reply. I have read the ledger part in release 1.1 and documents about Couchdb and Mongodb. So LevelDB and Mysql now are not considered. Though Couchdb provides rich query wit

Hi, Fabric is not designed with its native crypto-currency. Maybe fabric is designed for other applications than the cryptocurrency application. In some application, we need frequent and complex queri

Hello Yolan, Thank you for your solution. It is good. I will take it. Best regards, qs Meng

Hi， Consider the following scenario: User: A , B and C , where C is a retailer, while A and B customers. Both A an B buy something from C, now A would send 10$ to C in Transaction 1, B would send 20$

Hi Mahesh and Yacov, Thank you two for the replies. The reason why I ask the question is as follows:can a peer behind a NAT send message to another peer that is behind another NAT too using the Hello,

Hello, If a computer is a private network node, that is, the computer is behind a NAT, has no public IP. Can this computer as a peer join in a Fabric network which is deployed in public network? Thank

Hello everyone， Suppose in fabric network, there exists an organization named ClientOrg, which only have client users ,no peer node. Then if a client in the ClientOrg wants to invoke or query the ledg

sorry. the git project link is https://github.com/yeasy/hyperledger_code_fabric, which aim to analyze the fabric code. 【网易自营|30天无忧退货】Crocs制造“四季简约拖鞋”限时仅19.9元，618再享8折>>

Hi Baohua, Yes, that document is really needed. I am here waiting for that. I know one github project https://github.com/yacovm/fabricDeployment There should be one short chapter describing the whole