Basic concepts to start in DeFi with Oh! Finance (2/3)
In the 1st part, we covered what was a wallet address, a wallet app and a seed phrase.
In this article, we will explain why you have to pay for transaction fees and what is a gas token, what is a smart contract and a token contract address.
Transaction executions on a blockchain can be compared to a road network with transportation services between houses representing the wallet addresses: Every time you want to have tokens transferred between 2 addresses, you have to pay a transaction fee for the transportation services. In crypto, these are called miners, delegators, validators, etc.