I have been investigating different blockchains for some use cases. In the end, I came to the conclusion that setting up a private blockchain is equivalent to having a distributed database with blockchain concepts like immutability, digital…
By default BigchainDB provides some API for us.
"api": {
"v1": {
"assets": "/api/v1/assets/",
"blocks": "/api/v1/blocks/",
"docs": "https://docs.bigchaindb.com/projects/server/en/v2.0.0/http-client-server-api.html",
…
Actually I found one blog ('https://blog.bigchaindb.com/towards-a-public-bigchaindb-654619d93fac' ) here mentioned as it is public but in https://www.bigchaindb.com/features/ this link in features it's like 'bigchaindb can be a public or…
I am launching tendermint with the command "tendermint init" followed by "tendermint node". But it is showing an error message as follows:
tendermint node
I[04-06|20:44:11.141] Starting multiAppConn module=proxy…
Both, Hyperledger Fabric and BichainDB offer the possibility to have a private, permissioned blockchain database. With their concepts they try to address the main disadvantages of public blockchains like lack of privacy and lack of performance (low…
I am creating degree verification process using blockchain approach which contain six main entities. By entities I mean to say consensus mechanism will evolve around these six entities, so for this I need to build a distributed database. Two…
I have set up a local server of bigchaindb and done some blockchain operations on it. But in a production environment, I need to set up a cluster of it so how can I set up multiple nodes or cluster of a bigchaindb server using MongoDB as backend?
I'm using an Node.js API application to handle BigchainDB assets.
Problem 1: Retrieve all assets of a model
Problem 2: Append ("Update") an existing assets
System: Node.js v8.11.2, npm v5.6.0, node module "express" v4.16.3, node module…
I’m building a poc with BDB, and I’m not sure if BDB will help me,
I’m looking at building something where the users could upload some set of docs, one transaction = 1 file, and this transaction will be viewed by the user’s followers and will…
Thanks everyone for the attention.
I'm working on an Application that provides traceability to food, i have to use block-chains.
Each time that an user registers an article that produces, I need to grant him the ability to sell his product as many…
I want to use blockchain features to provide security for my database.
But the hardest part of this transportation is finding a suitable destination.
I did lots of research but I couldn't find an answer.
My main problem is the difference between…
I am trying to use Node.js SDK for BigchainDB but I always get error as
Error: Cannot find module 'bigchaindb-driver'
But bigchaindb-driver is already installed by npm install.
Please check this github issue
Recently I came to know about the popular blockchain projects. What I don't understand is it costs much to provide the BC services (you pay to miners) but how are blockchain projects monetizing themselves!?
Even after some of them are open-source!
How do I link bigchainDB to my front end and get values and store on blockchain. I'm trying to make a student management system in block chain. I need to record the student details and the transcripts,certificates getting input in the frontend.
Can anyone help me in making a bigchaindb network with 3 nodes.I tried and created network by following http://docs.bigchaindb.com/projects/server/en/latest/simple-deployment-template/network-setup.html this link .After running monit process on…