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New posts in smartcontracts

Ethereum Solidity - Does require() use any gas?

Difference between Openzeppelin SDK and Truffle?

Difference of Geth or Ganache

blockchain smartcontracts

How can we generate multiple random number in ethereum?

Source file requires different compiler version : Truffle

Is there a way to debug transactions in RSK network, which could be the best way?

upgradable smart contracts with Solidity: interface vs library?

How to get Smart Contract address when it is deployed with web3.js

Solidity - Solidity code to Input JSON Description

Solidity setting a mapping to empty

How to modelize smart contracts in UML?

uml solidity smartcontracts

contract has not been deployed to detected network (network/artifact mismatch) on Rinkeby Network

How to return array of address in solidity?

solidity smartcontracts

Data on Private Ethereum blockchain lost/disappears after couple of days

Can't send transaction even if I use an example from official Ethereum webpage

How can I return an array of struct in solidity?

what approve and allowance methods are really doing in ERC20 Standard?

error[E0463]: can't find crate for `core` | = note: the `wasm32-unknown-unknown` target may not be installed [NEAR Protocol]

Send ERC20 token with web3