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Can I use conversation messages stored on Blockchain

I'm new to Blockchain and exploring if I can safely store textual and media content in the transaction. This will help me with the following outcomes I can have a safe, secure storage of contents ...
Saravanan's user avatar
  • 152
1 vote
0 answers
21 views

Cannot connect to Azure PoA Websocket

Just like question Connecting to blockchain on azure using web3.js and websocket, I need to use websockets to capture events. I have gotten my http and websocket endpoints from the deployment outputs ...
Mark Waser's user avatar
2 votes
0 answers
37 views

Azure Blockchain Service node properties [closed]

What exactly are Access key 1, Access key 2, Member account, Web socket, DNS, creater account, etc. of a node in Azure Blockchain Service? I am getting confused as to what are these. Also what are the ...
jatinw's user avatar
  • 33
1 vote
1 answer
64 views

What is the block number of the first block mined in a private blockchain network deployed on say Quorum?

I am working on POCs on Azure Blockchain Service. While working on quickstarts, I observed that while deploying my 'Hello Blockchain!' smart contract, the block number of the block mined was 34136. ...
jatinw's user avatar
  • 33
1 vote
1 answer
45 views

Unlocking the ethereum created in azure in azure shell

I have created an ethereum account using ethereum proof of authority in azure and metamask I have been trying to unlock my ethereum account to use it with my website i entered details like this in ...
Kaarthiga Ayyappan's user avatar
1 vote
2 answers
236 views

How to backup POA based ethereum private blockchain and restore it in a fresh new environment

Is there a way to backup the POA based ethereum private block-chain [created from microsoft azure POA template] and also restore it in a all new environment with out loosing any transactions & ...
Joe's user avatar
  • 11
0 votes
1 answer
88 views

Adding Application Security for Cakeshop (Quorum) on Azure?

Is there a way to set a password to the cakeshop UI when using Azure for Quorum deployment? In order to prevent Ethereum accounts being generated or smart contracts being deployed via the publicly ...
sunwarr10r's user avatar
0 votes
1 answer
116 views

How to SSH Quorum running on Azure VMs?

I have deployed a Quorum Network on Azure and now I would like to have ssh access. In the creation process I had to set a VM-user and a VM-password. But if I use them like this: ssh VM-user@Public-IP-...
sunwarr10r's user avatar
2 votes
1 answer
191 views

External Access To A Private Ethereum Blockchain

Background Info I have been playing around with Ethereum and I have created a DAPP on the Ethereum blockchain inside Azure Kubernetes. Everything up to this point has been a good experience but the ...
Joshua Duxbury's user avatar
1 vote
0 answers
76 views

What are the differences between Microsoft Azure's Ethereum and the normal Ethereum?

What are the extensions of the newly announced Azure Ethereum over Ethereum?
Akhil Kintali's user avatar
2 votes
1 answer
303 views

Connecting to blockchain on azure using web3.js and websocket

right now, I am trying to write a service using web3 which will 'subscribe' to all 'perndingtransactions' on blockchain to perform further actions. web3 documentation says that 'Httpprovider' cant be ...
Chetan Bhise's user avatar
0 votes
2 answers
458 views

Ethereum Node on Azure Virtual Machine (windows) remote access

I've a Windows Server VM on Azure where geth is running quite good (no mining, just node). Now, the "start command" is: geth --rpcapi "eth,web3,db,net,personal,admin" --rpcaddr "10.0.0.4" --port "...
Ziba Leah's user avatar
  • 203
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0 answers
100 views

Truffle error during migration

I am getting an error when I run : truffle migrate --network production Error Running migration: 1_initial_migration.js Deploying Migrations... ... ...
Vivek Sadh's user avatar
1 vote
0 answers
114 views

Smart Contract for Ethereum Blockchain On Azure - Automatic Execution on Coin Transfer Event [closed]

I am new to both Blockchain and Smart Contracts. My use case is to design a contract which can be mined in a way so that, if any user of blockchain sends ether to another user using any type of wallet,...
Chetan Bhise's user avatar
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0 answers
56 views

Mining node stops working frequently

hello guys, i have created a private Ethereum blockchain network on Microsoft azure which has one transaction node and two mining nodes with configuration-For transaction node the ram is 8gb and one ...
Harikrishnan S's user avatar
0 votes
1 answer
624 views

Deploying DAPP on cloud using docker

I am novice in docker technology. I have developed a basic private ethereum blockchain DAPP locally using Truffle and I want to deploy the same on cloud. 1) I need tutorials for how to crate a ...
Soham Lawar's user avatar
  • 2,567
2 votes
1 answer
499 views

Pending transactions Geth private Blockchain

I have an ethereum consortium blockchain based on Azure (Geth 1.7.3). I've been experimenting with an application which has a very simple smart contract. The contracts itself, stores data that comes ...
JC_92's user avatar
  • 193
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0 answers
137 views

Ethereum network on Azure geth error

I had some problems with my node in the ethereum network in azure and I restarted it (too many pending transactions) When I logged back into the node, I saw that geth wasn't running (no logs, ps ...
user3705308's user avatar
1 vote
0 answers
105 views

Transactions bottleneck Geth

I have an ethereum consortium blockchain based on Azure. I've been experimenting with an application which has a very simple smart contract, but may be data intensive(?). The contracts itself, stores ...
JC_92's user avatar
  • 193
1 vote
0 answers
241 views

How to add Peers in Quorum Single Member Blockchain Network in Azure?

I'm using the QSMBN(Quorum Single Member Blockchain Network) provided by Azure, and I'm trying to connect one external node to the quorum network, but when I try to add peer displays this message "...
Balerionz's user avatar
0 votes
0 answers
234 views

How to deploy a Smart Contract in Ethereum on Azure?

Iam trying to deploy a smart contract in Azure's Ethereum on Azure. I have created a blockchain in that but now I need to deploy a smart contract and design a UI for the same. I want to use Remix to ...
Monica Mohandas's user avatar
1 vote
1 answer
212 views

Link my backend rpc server with front end web form applications

I am using azure, i have 2 resources - one is the web form app (visual studio)and other one is the ubuntu vm running geth. I tried alot of things to make the front end to connect with the backend. Is ...
sillyghost's user avatar
1 vote
1 answer
301 views

Have someone tried to implement a private ethereum network based on BaaS of Microsoft & azure servers or some other companies?

I'm creating/implementing a private ethereum network for a group of friends to "play with" the blockchain, develop dapps on top of it. during my google searches, I found the "blockchain as a service" ...
Jalel Tounsi's user avatar
1 vote
3 answers
3k views

authentication needed: password or unlock

We're using Microsoft Azure, and NodeJS on the server. When we address Microsoft Azure via NodeJS, sometimes we get the 'Password or Unlock' error. But when we use Truffle and address the same setter, ...
Zhanbolat Nurutdin's user avatar
2 votes
1 answer
72 views

Purchase real Ether and add to base/default account

I created an Ethereum Consortium Leader instance on Microsoft Azure and they provided us with an Admin site and RPC endpoint: http://someName.eastus.cloudapp.azure.com/ http://someName.eastus....
Vivek Sadh's user avatar
2 votes
2 answers
466 views

Miners stop working in Azure consortium blockchain

I had setup Blockchain on Azure (BaaS) few months ago, Its working fine till few days before, but now I am facing issue with my transaction, after debugging I found that my transactions are not ...
SwapnilKumbhar's user avatar
2 votes
1 answer
337 views

Microsoft Coco Framework, how does it speed up transaction?

According to Microsoft Coco achieved approximately 1,700 transactions per second using a private version of the ethereum blockchain, compared to about 13 transactions per second without the ...
Consy's user avatar
  • 582
0 votes
1 answer
258 views

change gasLimit parameter into the genesis.json file on azure priavte blockchain

I am trying to deploy a smart contract to an azure blockchain. The contract is deployed without errors but i can't submit transaction to the blockchain through this contract. I guess this is an issue ...
Sonia's user avatar
  • 1
1 vote
0 answers
187 views

How to configure Azure STRATO Blockchain LTS with Visual Studio?

I'm learning all about Blockchain but I wanted to make an example of smart contract, i followed this tutorial, but I can't find much about how to integrate Azure Strato Blockchain with my application ...
Balerionz's user avatar
1 vote
3 answers
462 views

Deploy Ethereum SmartContract on Azure

I am using truffle to write smart contracts , my code and deployments work well on local ethereum rpc. Now i added another environment in "truffle.js" file with url to my azure "Ethereum Consortium ...
Mandar Jogalekar's user avatar
0 votes
2 answers
575 views

Deploying and interacting contract with Azure consortium blockchain with their transaction receipt not returning from blockchain

I am using Web3j to deploy and interact with a contract on Azure consortium blockchain. Connecting to Azure consortium blockchain RPC endpoint Web3j web3 = Web3j.build(new HttpService("http://***....
TerenceT's user avatar
  • 105
4 votes
1 answer
384 views

Ethereum Consortium Blockchain Designed to be Proof of Concept or Production Ready

Is the Ethereum Consortium Blockchain template in Azure merely designed as a proof of concept platform or is it something you would use for production? I ask this because if I deploy the Ethereum ...
Flea's user avatar
  • 327
3 votes
3 answers
2k views

Invalid sender error in MetaMask with private network in Azure ethereum BaaS

I had implemented Ethereum Blockchain as a service from Microsot azure. The client i am using is from Metamask. I am not able to send ether from one wallet to other and i get an error Invalid sender . ...
Phani Dhar's user avatar
0 votes
1 answer
1k views

How to connect to the Private BlockChain in Azure consortium

How using Web3 in geth client to conect to the private blockchain when i use var web3 = new Web3(new Web3.providers.HttpProvider(" http://alexyy73n.northeurope.cloudapp.azure.com:8545")); So ...
Vladimir's user avatar
4 votes
2 answers
7k views

RPC connection to private net using MetaMask works, but using geth, mist or solidity browser doesn´t

I am trying to create a private network consotium in Azure by following this tutorial: https://github.com/Azure/azure-quickstart-templates/tree/master/ethereum-consortium-blockchain-network Problem ...
neilson's user avatar
  • 141
2 votes
1 answer
305 views

Transactions not processed (Ethereum Network in Azure)

I have the following setup: In Azure I have virtual network and within the virtual network a full node (TX0) and a mining node (MN0). They have each other added as static peers. The virtual network ...
quervernetzt's user avatar
6 votes
0 answers
321 views

Difference between Ethereum Consortium Blockchain template and STRATO Blockchain Individual Instance template in Azure

I have recently started analysing Blockchain as a service and found it's very interesting. But, I am not able to interconnect these information's. What is difference between Ethereum Consortium ...
kudlatiger's user avatar
6 votes
1 answer
6k views

Web3 retrieving latest transactions [duplicate]

Is there any way in the Web3 Javascript API to retrieve the latest, let's say five, transactions that were done on the blockchain? The only option I can think of, is by using web3.eth.getBlock(web3....
Nickkerd's user avatar
2 votes
2 answers
1k views

Truffle - Migrate Contract to a private network in Azure

I try to migrate a Smart Contract to a private network running in Azure. It works fine with testrpc but when I try to migrate it to the (remote) private network I always get the following error: ...
quervernetzt's user avatar
0 votes
1 answer
636 views

Deployment of Smart Contracts with Azure Ethereum Consortium does not work

I created an Azure Ethereum Consortium. The Ethereum Network deployed has 2 Transaction Nodes behind a load balancer. Via Putty I connect to one of the transaction nodes. Then I enter geth attach ...
quervernetzt's user avatar
3 votes
0 answers
630 views

How much could it cost to implement blockchain through ethereum partners? [closed]

I would like to have more details regarding the pricing model for implementing Ethereum service through Azure, or in Monax? I just need an estimation or a range (between x and y). It's for ...
Muad's user avatar
  • 31
1 vote
1 answer
237 views

I don't see any environment when deployed ethereum on Azure

Just started with ethereum block chain and done with the theory part. As part of my work I need to do a sample POC of SmartContract + Private Blockchain on Azure. I created Ubuntu VM from "Ethereum ...
mahesh gupta's user avatar
7 votes
3 answers
1k views

Azure Ethereum cannot connect

I created a VM instance on Microsoft Azure using its Go Ethereum template. The node is running and syncing. However it does not allow me to access remotely. I ran geth attach on my local computer and ...
Yangrui's user avatar
  • 345
3 votes
0 answers
218 views

Can't connect to Strato instance on Azure

I set up a Blockapps Strato instance on Azure according to these instructions but I can't actually connect to it. The "connect" button is grayed out (despite setting it up with a static public ip ...
Free Mason's user avatar
4 votes
0 answers
290 views

Ethereum Indexers [duplicate]

When googling "Ethereum indexer," Google seems to only return a usenet indexer page on Reddit and something related to Microsoft Azure. For that reason, I'm asking here: What are some good indexers ...
arik's user avatar
  • 503
6 votes
2 answers
763 views

How does etherchain access and query Ethereum blockchain transaction data?

Can whatever method that etherchain are using to access and query the blockchain data also be leveraged by the average web developer in a garden variety web app using a remote call? Or, are etherchain ...
Donavan Theodor's user avatar
2 votes
1 answer
206 views

Unable to install geth on my Azure Ubuntu 12.4

Somehow, I am unable to install from this location: bash <(curl -L https://install-geth.ethereum.org) getting the error below: error unable to install geth screenshot:
pardha 's user avatar
3 votes
1 answer
428 views

Can STRATO be utilized as an Ethereum client?

Consensys announced yesterday that BlockApps STRATO is available for Microsoft Azure. Joseph Lubin says, It is also a better Ethereum public mainnet node for various kinds of decentralized apps ...
q9f's user avatar
  • 32.8k
7 votes
2 answers
1k views

How can I get a private geth instance on Azure to interact with the public blockchain?

So I am referring to Microsoft Azure's new blockchain as a service Ubuntu geth instance. I've set this up no problem and have run through the tutorial, but I'm trying to think of how I would get this ...
FugueWeb's user avatar
  • 457
4 votes
2 answers
6k views

How does the Microsoft Azure Ethereum Blockchain as a Service differ from the platform offered by Eris Industries?

On Nov 2015, Microsoft announced with ConsenSys, the addition of Ethereum Blockchain as a Service (ETH-BaaS) on their Azure platform. Meanwhile, Eris Industries also have been offering, what appears ...
zanzu's user avatar
  • 5,350