Hi, I don't know how to create a topic on this(https://lists.hyperledger.org/g/fabric), so I email to u. I will appriciate that if you can fix my problems: 1. I can't find my stateLeveldb file

Hi, I am having a hard time explaining the benefits of supporting a decentralized ledger with hyper-ledger vs using ethereum or blockchain. in a nutshell, leaving tech details aside, is the following

The Java SDK ( https://github.com/hyperledger/fabric-sdk-java ) includes a fabric-ca client so I'd recommend taking a look at it to see if you can leverage it rather than trying to roll your own. But

Hi, I have been trying to enrol a user using the REST APIs exposed by fabric-ca. I have generated the client. The enrol function - apiV1EnrollPost requires three parameters: ( Ca, authorization and

Hi, I will appriciate that if you can fix my problems: 1. I can't find my stateLeveldb file under /var/hyperledger/production/ledgersData/chains/index, when I run the BYFN example. I just want

Please ensure whether the required composer-cli version is installed properly (just in case it didn't happen due to some installation errors), npm ls composer-cli

Hi Manohar, Please follow this url to have the list of trainings in Hyperledger. https://www.hyperledger.org/resources/training Jos Raj M

Thanks Mohan for your response. Already tried "npm install -g composer-cli@0.19.x" but still getting the same error -- Best Regards, Gurpreet Singh

Hi Gurpreet, As mentioned in the error try updating the composer version to v0.19 npm install -g composer-cli@0.19.x Thank you, Mohan From: Gurpreet singh <gurpret7@...> To:

Hi Team, I'm running the setup of application but while running it throwing below error. ./createPeerAdminCard.sh Development only script for Hyperledger Fabric control Running

Hi All, We will hold the documentation workgroupas usual on Friday, 25 May. We run the meeting twice during the dayto make it easier for both Eastern and Western hemispheres. See meetingtimes at the

Dear Hyperledger Fabric community We have recently completed a research prototype where we show how Hyperledger Fabric can leverage trusted execution environments (specifically, Intel SGX) to run

Hi Dima, Note: The optimization's source code used in the above paper is not exactly same as the one in Fabric v1.1. As this study was performed 10 months ago, we implemented and used our own

Hi Dima, The above article covers Fabric v1.0 and certain optimizations which eventually got merged into v1.1. In v1.1, the VSCC validation is not serial. You can change the number of worker

Hi folks! In the article "Performance Benchmarking and Optimizing Hyperledger Fabric Blockchain Platform" (see attachment) authors report that VSCC validation phase is the bottleneck. This is because

Luc - Might have been a hiccup with Dockerhub. Seems to be working now: docker pull hyperledger/fabric-ca:x86_64-1.1.0 x86_64-1.1.0: Pulling from hyperledger/fabric-ca 1be7f2b886e8: Already exists

Hi, Except error on my part but I have a problem when I want to download the Hyperledger Fabric docker images, and more particularly this image with this command: docker pull

Hi, I am working on a project where I require to endorse a transaction manually( a basic Y/N ) by looking at the change that went into the log after a user invokes a chaincode function. Is that

PM, if you look in the integration folder you’ll find various packages with tests. For example, looking at the main_test.go file you will see how the sdk is initialized. Regarding the options, if

Hi, I am playing around with Fabric-SDK-Go v1.1, the first step is to create an instance of fabric sdk as per this