Category "hyperledger-fabric"

Does Hyperledger Fabric use a Merkle tree for the block data hash?

I found multiple sources that are not precise enough for me to be sure. They seemingly disagree ever so slightly. I need to know that, because I would like to p

Hyperledger fabric: Querying implicit data collection

I am seeing this when querying data from implicit private data collection. Please see code snippet below. When I query individual key (using QueryBidPrivate/Get

How does Amazon Managed Blockchain's QLDB handle permissions for the different orgs?

QLDB seems to be this centralized extension built upon the Fabric orderer service that allows you to query a replication of the blockchain network in an SQL-lik

Adding member to existing hyperledger Fabric 1.2 network on amazonmanaged blockchain

I am exploring amazon managed blockchain. Network (Hyperledger Fabric 1.2) is created, first member is added, peer node is added and VPC Service endpoint is als

Deploy and expose chaincode as REST api on amazon managed blockchain hyperledger fabric 1.2

I have configured amazon managed blockchain setup with Hyperledger 1.2. The network is prepared with a single member and a single peer node. Hyperledger Fabric

Adding member to existing hyperledger Fabric 1.2 network on amazonmanaged blockchain

I am exploring amazon managed blockchain. Network (Hyperledger Fabric 1.2) is created, first member is added, peer node is added and VPC Service endpoint is als

AWS hyperledger fabric services is it available for Mumbai, India location

AWS is supporting the blockchain hyperledger fabric technology services. But my question is it available for Mumbai, India location?

error executing chaincode: failed to execute transaction: timeout expired while executing transaction

I write this chaincode and when I invoke it to read with GetOrgan the command is succeeded but when i want to add an organ with AddOrgan i have this error :

Can I run a Hyperledger Fabric network without orderer org?

I want to create a fabric network who contains three org: org1, org2, org3. And each org includes two type service: peer1 as peer service, orderer1 as orderer s

Hyperledger channel creation on orderer Error

I am getting an error while creating the channel on orderer (up and running). I have created the crypto artifacts as well as channel artifacts but while creatin