$ETH Issuance and Total Supply: ETH does not have a fixed upper limit on its issuance. Its issuance mechanism is related to Ethereum's mining and network operation mechanisms. Through mining, new Ether is created and gradually enters circulation.

• Application Scenarios: ETH has various uses within the Ethereum ecosystem. It can be used to pay for the execution fees of smart contracts, known as 'gas fees', to incentivize nodes to validate and process transactions. It can also be used in decentralized finance (DeFi) applications for lending, trading, liquidity provision, and as a medium of proof of stake and value exchange for participating in various decentralized applications (DApps).

• Market Position: ETH is the second-largest cryptocurrency by market capitalization, holding an important position in the cryptocurrency market, attracting a large number of investors and developers. Its price fluctuations are influenced by various factors such as market supply and demand, the development of the Ethereum network, and the macroeconomic environment.