Recent questions tagged smart-contract

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1 answer

safeTransferFrom does not transfer etherium to the target. ERC-721

Apr 7, 2022 in Blockchain by Soham
 • 9,730 points • 3,104 views
0 votes
1 answer

Generate new Ethereum Wallet in NodeJS

Apr 6, 2022 in Blockchain by Aditya
 • 7,680 points • 3,863 views
0 votes
1 answer

safeTransferFrom does not transfer etherium to the target. ERC-721

Apr 5, 2022 in Blockchain by Aditya
 • 7,680 points • 3,530 views
0 votes
1 answer

Protect photo ownership using blockchain

Apr 5, 2022 in Blockchain by Soham
 • 9,730 points • 2,138 views
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Can third party send an ERC20 token transaction to the Ethereum blockchain?

Apr 4, 2022 in Blockchain by Rahul
 • 9,690 points • 1,670 views
0 votes
1 answer

How to add liquidity for an inflationary cryptocurrency

Mar 16, 2022 in Blockchain by Soham
 • 9,730 points • 1,585 views
0 votes
0 answers

How to delete an image saved in IPFS blockchain?

Mar 4, 2022 in Blockchain by Soham
 • 9,730 points • 1,404 views
+1 vote
1 answer

Is it possible to store images on the Ethereum blockchain?

Feb 24, 2022 in Blockchain by Soham
 • 9,730 points • 4,012 views
0 votes
1 answer

capture an event issued by a smart contract and make a web request

Dec 29, 2020 in Blockchain by anonymous
 • 120 points • 1,604 views
0 votes
1 answer

How to set the ERC20 token price in respect to ether in solidity?

Nov 7, 2020 in Blockchain by jas
 • 120 points • 6,147 views
0 votes
2 answers

Chaincode Installation failed, Hyperledger Fabric

Oct 5, 2020 in Blockchain by Bhuwan
 • 130 points • 7,608 views
0 votes
1 answer

Solidity: Code to hide message sender address (msg.sender) when writing on a contract

Sep 14, 2020 in Blockchain by Wilson
 • 140 points • 3,727 views
0 votes
0 answers

I got stuck in Blockchain Course. Please Help Me!

Sep 6, 2020 in Blockchain by Arcadius
 • 120 points • 1,476 views
0 votes
1 answer

How to create an instance of contract in Truffle console?

Jun 17, 2020 in Blockchain by Edureka
 • 120 points • 2,951 views
0 votes
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Received error response from peer: message=failed to execute transaction 33b63361e1ce528c334ecf9ef70af2c9136c0fcc444d1ead9d24b5bae8c6dc57

May 4, 2020 in Blockchain by Edureka
 • 120 points • 1,680 views
0 votes
1 answer

I face problem while running hyperledger fabric's sample application "build your first network" byfn.sh giving time out while chaincode installation.

Apr 25, 2020 in Blockchain by SudipDurgapur
 • 140 points • 5,537 views
0 votes
1 answer

Could not assemble transaction, err proposal response was not successful, error code 500, msg chaincode registration failed: container exited with 0

Apr 8, 2020 in Blockchain by nithin
 • 140 points • 5,571 views
–1 vote
1 answer

how to npm install in node.js

Jan 12, 2020 in Blockchain by anonymous
 • 190 points • 1,774 views
+1 vote
2 answers

Error 500: mychannel has been migrated to new lifecycle. Chaincode instantiation error.

Jan 9, 2020 in Blockchain by Aditya
 • 250 points • 6,218 views
+1 vote
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Error 500 during instantiation of chaincode for commercial-paper example.

Jan 9, 2020 in Blockchain by Aditya
 • 250 points • 2,969 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 • 1,912 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
 • 2,890 views
+1 vote
1 answer

hyperledger fabric: can't find package: github.com/pkg/errors in GOPATH or GOROOT

Aug 3, 2019 in Blockchain by aiga
 • 3,138 views
0 votes
0 answers

LIVE PODCAST THREAD** (#2 Are Smart contracts really the Future?)

Jun 28, 2019 in Blockchain by Vardhan
 • 13,130 points • 1,737 views
+1 vote
0 answers

Can't call contract function in Remix in Web3 provider mode, but it works in Javascript VM

Jun 15, 2019 in Blockchain by XHQ
 • 3,881 views
0 votes
2 answers

web3 accounts coming undefined

Jun 9, 2019 in Blockchain by gaurav
 • 120 points • 3,186 views
0 votes
1 answer

What is geth and solidity in Blockchain?

Jun 8, 2019 in Blockchain by siddu
 • 4,028 views
0 votes
1 answer

Decentralisation and Smart contract

Jun 5, 2019 in Blockchain by Vijayaprasad
 • 150 points • 2,171 views
0 votes
1 answer

Send all Tokens and Eth to a Address automatically

Oct 1, 2018 in Blockchain by slayer
 • 29,370 points • 5,517 views
0 votes
1 answer

python-bittrex missing positional arguments

Sep 6, 2018 in Blockchain by digger
 • 26,740 points • 1,755 views
0 votes
1 answer

Bitcoinj send payment from a wallet

Sep 6, 2018 in Blockchain by digger
 • 26,740 points • 3,280 views
+1 vote
3 answers

Pass all .dat files in folder to function

Sep 4, 2018 in Blockchain by slayer
 • 29,370 points • 3,682 views
0 votes
1 answer

Python Double hash SHA256

Aug 29, 2018 in Blockchain by digger
 • 26,740 points • 3,068 views
0 votes
1 answer

Python request module for bitcoin json rpc

Aug 28, 2018 in Blockchain by slayer
 • 29,370 points • 3,820 views
0 votes
1 answer

Problem in QRL (Quantum Resistant Node) startup

Aug 28, 2018 in Blockchain by aryya
 • 7,460 points • 2,087 views
0 votes
1 answer

Problem with installing testrpc using python-pip.

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 2,111 views
0 votes
1 answer

how to give back each customer a self-defined amount of ether after ICO ends in smart contract?

Aug 1, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,133 views
0 votes
1 answer

How to build a non-payment application using Ethereum blockchain?

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 1,731 views
0 votes
1 answer

How to interact with blockchain using Java web app?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 2,324 views
0 votes
1 answer

Transaction Id in Bitcoin Blockchain

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 1,966 views
0 votes
1 answer

How do I start mining on my private chain?

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 3,003 views
0 votes
1 answer

How to write a program to get details of ERC tokens?

Jul 13, 2018 in Blockchain by digger
 • 26,740 points • 2,047 views
0 votes
10 answers

How to solve gradle build failed error?

Jul 12, 2018 in Blockchain by slayer
 • 29,370 points • 54,478 views
0 votes
1 answer

How to create a ‘feeless’ ERC20 token?

Jul 6, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,088 views
0 votes
1 answer

How to search inside List for a specific value?

Jun 27, 2018 in Blockchain by sabby
 • 4,370 points • 1,912 views
0 votes
1 answer

Ethereum Token Nam Redundancy

Jun 27, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,438 views
+1 vote
1 answer

How can I modify stored data in blockchain??

Apr 18, 2018 in Blockchain by anonymous
 • 7,585 views
+1 vote
1 answer

How can I connect my main Ethereum network to Web3.py using python?

Apr 17, 2018 in Blockchain by nsv999
 • 5,500 points • 2,710 views
+1 vote
1 answer

How to decide on a nonce while developing a blockchain?

Apr 10, 2018 in Blockchain by anonymous
 • 2,484 views
+1 vote
1 answer

What are the differences between coin and token?

Apr 8, 2018 in Blockchain by Christine
 • 15,750 points • 2,141 views
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