Ethereum transactions require you to pay a fee that is measured with gas. Every instruction executed by the EVM costs a certain amount of gas, so before queuing your transaction, you have to specify a gas limit and a gas price. That gas is paid in ether, so for example, if your transaction has a gas limit of 82470 and your gas price is, say, 1 Gwei (0.000000001 ΞTH), then the cost of the transaction would be: ... Read more

Learning a new technology is always a daunting task, specially when in its early stages. Ethereum is one of such technologies and, soon enough, after starting your journey you get a lot of new terminology/projects thrown at you: Solidity, MetaMask, Mist, Serpent, Rinkeby, Ropsten, Kovan, Parity, Truffle, Geth, etc, etc. As you start wrapping your head around some of those new concepts it is common to focus on specific parts of the whole technology. ... Read more