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I am trying to build a blockchain on ethereum but keeping the data related to blocks in some distributed file storage system like IPFS or Storj and storing the hash...
Asked on 11/20/2020 by Prateek Shrivastava
2 answerI recently went over dapp with ethereum block chain but most of the coureses and documentation follows example in webApps. I want to know what are the possible frameworks/library, technology/...
Asked on 11/15/2020 by Mandil Subba
1 answerpragma solidity ^0.4.11;contract simpleVotingDapp {/*The key of the mapping is candidate name stored as type bytes32 and value is an unsigned integer to store the vote count*/mapping (bytes32 =>...
Asked on 11/08/2020 by dummy dummy
0 answerI have several test files, which I can successfully execute via truffle test (having started a ganache-cli process). For example:ganache-clitruffle test test/test1.jstruffle test test/test2.jsHowever, when I try to input both...
Asked on 11/04/2020 by goodvibration
1 answerHow can one ensure that an ERC20 token holder can’t send/transfer/other more than X token in given period Y where Y could an hour, day, week, month etc. Would be...
Asked on 11/04/2020 by eth.block
2 answerpragma solidity >=0.5.0 <0.7.0;contract Mycontract{ uint256 a; struct User { string name; } User[] users; ...
Asked on 10/27/2020 by user61878
1 answerI have deployed contracts on ropsten test network.truffle.jsropsten: { provider: function() { return new HDWalletProvider(mnemonic, "https://ropsten.infura.io/<api-token>") }, network_id: '*', ...
Asked on 10/26/2020 by Kapil
2 answerWhat is the best practice for doing this? In the ERC20 standard having a public decimals: uint256 is marked as optional.But obviously you cannot display a token balance in...
Asked on 10/24/2020 by Dylan Kerler
1 answerI want to buy an ASIC Miner (A10 Pro 6GB) but i have some doubts.Is it good to buy an ASIC Miner in Nov. 2020 for ETH and ETC mining...
Asked on 10/24/2020 by Shubham Panchal
2 answercan any Ethereum Dev answer if there's a ERC or even an EIP to define a way in which you can have a Smart Contract to be plug-and-play'd into another...
Asked on 10/24/2020 by Daniel Silveira
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