☕ To know the specifications of a good digital currency, you can look at several important factors.

1. Security and encryption: Check the level of security available in the digital currency and how data is encrypted to protect it from external threats.

2. Technology and innovation: Check the technology on which the digital currency is based and how innovative it is in using modern technologies.

3. Value and use: Check the value of the digital currency and how it is used in transactions and exchanges, and whether it includes features that make it useful and future-proof.

4. Community and support: Check the extent to which the community adopts and supports the digital currency, and how they interact and cooperate in its development and applications.

5. Transparency and decentralization: Check the transparency of the digital currency process and the degree of distribution of power and governance over it in a decentralized manner.

In short, a good digital currency is one that has a high level of security, innovative technology, a future project, value and widespread use, community support, and transparency and decentralization in its system.