ethereum programming language code example

Example 1: what language is ethereum written in

Solidity is the primary language on Ethereum as well as on other private blockchains running on platforms that compete with Ethereum, such as Monax and its Hyperledger Burrow blockchain, which uses Tendermint for consensus.

Example 2: Solidity

// SPDX-License-Identifier: GPL-3.0
pragma solidity >0.7.0 <0.8.0;

contract SimpleAuction {
    function bid() public payable { // Function
        // ...
    }
}

// Helper function defined outside of a contract
function helper(uint x) pure returns (uint) {
    return x * 2;
}