Recent questions tagged ethereum

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How to delete an image saved in IPFS blockchain?

Mar 4, 2022 in Blockchain by Soham
 • 9,730 points • 793 views
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Blake2b-512 with ED25519 in PHP with NanoSalt library (Nano Crypto)

Mar 4, 2022 in Blockchain by Soham
 • 9,730 points • 749 views
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Can a blockchain be Centralised? Will it be called as Blockchain if it is centralised?

Mar 3, 2022 in Blockchain by Soham
 • 9,730 points • 591 views
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How to get AUD price of bitcoin at a particular date

Mar 1, 2022 in Blockchain by Soham
 • 9,730 points • 558 views
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What is the correct way to handle multiple HTTP Methods in Azure Functions (NodeJS)

Feb 28, 2022 in Azure by Edureka
 • 12,710 points • 1,474 views
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How exchanges (Binance, Coinbase) record user trade into blockchain

Feb 28, 2022 in Blockchain by Rahul
 • 9,690 points • 828 views
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Crypto Currency ICO process

Feb 28, 2022 in Blockchain by Aditya
 • 7,680 points • 773 views
+1 vote
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Is it possible to store images on the Ethereum blockchain?

Feb 24, 2022 in Blockchain by Soham
 • 9,730 points • 2,123 views
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On-Chain NFT: How to store a pixel image on the ethereum blockchain?

Feb 24, 2022 in Blockchain by Soham
 • 9,730 points • 1,326 views
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nodemon command is not recognized in terminal for node js server

Feb 17, 2022 in Java by Rahul
 • 9,690 points • 9,789 views
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1 answer

sudo: npm: command not found

Feb 17, 2022 in Others by Soham
 • 9,730 points • 5,378 views
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Start script missing error when running npm start

Feb 10, 2022 in Java by Rahul
 • 9,690 points • 4,709 views
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'npm' is not recognized as internal or external command, operable program or batch file

Feb 10, 2022 in Others by Soham
 • 9,730 points • 12,347 views
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I'm setting up new Ansible control node, I need initial steps, to get server access (password less, DB with password access), from Ansible control node.

Oct 4, 2021 in Ansible by anonymous
 • 140 points • 4,363 views
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capture an event issued by a smart contract and make a web request

Dec 29, 2020 in Blockchain by anonymous
 • 120 points • 942 views
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Node js nodemiler Status 250 ok but mail is not received

Dec 24, 2020 in Web Development by Sagar
 • 180 points • 4,480 views
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Kubernetes: How to connect Node.js SDK to Hyperledger Fabric network?

Nov 12, 2020 in Blockchain by piyusha
 • 170 points • 3,006 views
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How to set the ERC20 token price in respect to ether in solidity?

Nov 7, 2020 in Blockchain by jas
 • 120 points • 5,343 views
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Getting error while Initialising the Blockchain

Sep 17, 2020 in Blockchain by Edureka
 • 200 points • 3,758 views
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Solidity: Code to hide message sender address (msg.sender) when writing on a contract

Sep 14, 2020 in Blockchain by Wilson
 • 140 points • 2,283 views
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How do I apply Ethereum Private blockchain or Hyperledger Fabric to Healthcare data management/Drug Traceability?

Jul 3, 2020 in Blockchain by pauloshikoya
 • 120 points • 1,573 views
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1 answer

Blockchain Basic Questions

Jun 29, 2020 in Blockchain by Nikhil
 • 120 points • 1,422 views
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How to create an instance of contract in Truffle console?

Jun 17, 2020 in Blockchain by Edureka
 • 120 points • 2,188 views
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Attach two nodes on different machine via private blockchain (Ethereum)

Jun 9, 2020 in Blockchain by Ritvik
 • 120 points • 1,668 views
+1 vote
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Hyperledger fabric : unable to create channel on raspberry pi 4 with Raft ordering service

May 13, 2020 in Blockchain by Manon
 • 130 points • 1,554 views
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Received error response from peer: message=failed to execute transaction 33b63361e1ce528c334ecf9ef70af2c9136c0fcc444d1ead9d24b5bae8c6dc57

May 4, 2020 in Blockchain by Edureka
 • 120 points • 1,019 views
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how can i add more than one node to mining blocks ??

Apr 12, 2020 in Blockchain by Hicham
 • 120 points • 760 views
+1 vote
1 answer

Can we pass string values to the contract which holds bytes 32 only?

Aug 26, 2019 in Blockchain by anonymous
 • 130 points • 1,163 views
+1 vote
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Can I change the network id in ganache GUI? Is it work for calling the functions in solidity?

Aug 16, 2019 in Blockchain by anonymous
 • 1,447 views
+1 vote
1 answer

Error while sending a transaction from Web3py to a Smart Contract in Remix

Aug 5, 2019 in Blockchain by Yaxir
 • 2,000 views
0 votes
1 answer

How to include/ install any library in node.js application program?

Jul 26, 2019 in Others by code_ninja
 • 6,300 points • 1,881 views
0 votes
1 answer

how to develop healthcare records using DApp on Blockchain?

Jul 26, 2019 in Blockchain by anonymous
 • 2,922 views
+1 vote
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Metamask popup on Server side (Express js) ?

Jul 15, 2019 in Blockchain by Dzaky
 • 130 points • 1,691 views
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Migrations ran out of gas

Jun 25, 2019 in Blockchain by anonymous
 • 1,331 views
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Is there any API for ether sent transaction in ethereum without using web3.js

Jun 17, 2019 in Blockchain by vishal tyagi
 • 1,475 views
+1 vote
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Can't call contract function in Remix in Web3 provider mode, but it works in Javascript VM

Jun 15, 2019 in Blockchain by XHQ
 • 2,751 views
0 votes
1 answer

Trying to implement block-chain payment in website

Jun 11, 2019 in Blockchain by Iris
 • 130 points • 864 views
0 votes
2 answers

web3 accounts coming undefined

Jun 9, 2019 in Blockchain by gaurav
 • 120 points • 2,444 views
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1 answer

What is geth and solidity in Blockchain?

Jun 8, 2019 in Blockchain by siddu
 • 3,043 views
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1 answer

What is a Hub and a Node in Selenium Grid?

May 29, 2019 in Selenium by Dharmesh
 • 2,380 views
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1 answer

Does a hyperledger fabric application client need to connect to all peers?

Jan 31, 2019 in Blockchain by Sowmya
 • 1,808 views
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Hyperledger-Fabric Endorsement Policy: What are Members and Admins?

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 1,272 views
+1 vote
2 answers

How to solve Hyperledger Fabric "error endorsing chaincode" error?

Jul 13, 2018 in Blockchain by slayer
 • 29,370 points • 5,015 views
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1 answer

How to create users on hyperledger and how to assign policies to the created users?

Jul 10, 2018 in Blockchain by digger
 • 26,740 points • 2,051 views
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1 answer

How to define different privacy for different users in Fabric 1.0?

Jul 6, 2018 in Blockchain by slayer
 • 29,370 points • 826 views
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1 answer

How read-write sets is used in hyperledger?

Jul 3, 2018 in Blockchain by slayer
 • 29,370 points • 1,590 views
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1 answer

Where is the hyperlewdger fabric endorsement policy stored?

Jul 3, 2018 in Blockchain by aryya
 • 7,460 points • 1,867 views
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1 answer

How can I modify hyperledger's blockchain endorsement policy?

Jun 4, 2018 in Blockchain by Christine
 • 15,790 points • 1,362 views
+1 vote
2 answers

How can I use blockhain for storing a proof of a document such as an image?

May 3, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,094 views
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1 answer

How pbft is being used in blockchain?

Apr 20, 2018 in Blockchain by anonymous
 • 1,046 views
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