First, you ask about the conditions if they are met, zakat is obligatory on digital currencies:

Digital currencies such as Bitcoin, Ethereum, and others are subject to zakat like cash or trade goods, and zakat must be paid on them if they meet the conditions of zakat.

Zakat conditions on digital currencies:

1. Reaching the nisab:

The nisab is the value of 85 grams of gold or 595 grams of silver, and is determined based on the current market value of the digital currency.

The value of digital currencies is calculated in local currency according to the market price on the day of zakat.

2. Passing of the year:

A full Hijri year must have passed since digital currencies were owned since they reached the nisab.

3. That they are fully owned:

That is, the currencies are not owned by a speculation contract or debt