Introduction to eth

file ：https://ethereum.org/zh/developers/docs/intro-to-ethereum/

1. Cryptocurrency

Cryptocurrency is based on distributed ledgers （ Blockchain ） Medium of exchange .

The medium of exchange is widely accepted 、 Goods that can pay for any goods and services , Distributed ledgers are data storage systems that record transactions .

Blockchain technology allows users to trade on distributed ledgers , Without relying on a trusted third party to maintain the ledger .

2.ETH

Ether money (ETH) It is a cryptocurrency used for many things on Ethereum network .

It is the only acceptable way to pay transaction fees , After the merger, it also needs to be used to verify in the main network and propose blocks .

Ether is also used DeFi The main form of mortgage in the lending market ,NFT The main accounting unit of the market .

Ethereum allows developers to create decentralized applications (dapp), They share a pool of computing power .

This shared pool is limited , So a mechanism is needed to determine who can use it .

ETH Cryptocurrency supports Ethereum's pricing mechanism .

When the user wants to complete the transaction , You must pay ether , Make the transaction recognized by blockchain .

These use costs are called gas cost ,gas The cost depends on the computing power required to execute the transaction and the computing power demand of the whole network .

Even if some malicious dapp Infinite loop commit , Transactions will eventually run out ETH And terminate , So as to restore the network to normal .

3. Casting ETH

Casting refers to the process of creating new Ethereum in Ethereum ledger .

The underlying Ethereum agreement creates new Ethereum