Она необходима для работы децентрализованных приложений и оплаты комиссий за транзакции в этой сети. In 2022, Ethereum options to modify to evidence-of-stake with its Ethereum two.0 update. This switch has been from the Ethereum roadmap since the community's inception and would see a brand new consensus system, and introduce sharding https://ethereum28493.blogminds.com/not-known-facts-about-сеть-ethereum-29628341