Practical use and usefulness: For example, Bitcoin was the first digital currency that did not require a bank. Users could store and send money offline, without the need for a third-party financial institution. Users wanted to be less dependent on financial institutions: Bitcoin satisfied this need, so the price of the coin grew;
Technology: For example, Ethereum Virtual Machine (EVM) is the engine that powers the Ethereum ecosystem. The EVM provides the infrastructure for compiling and running smart contracts on Ethereum. It is for this reason that the Ethereum blockchain remains a favorite among developers of DApps, DEXs and other DeFi platforms, which favorably affects the rate of the native ETH coin;
Characteristics of a cryptocurrency can make it an attractive investment (supply, usage cases, etc.);
Partnerships and collaborations with large companies and brands indicate that the project has a future.