War has a significant impact on the cryptocurrency market:

1. Increased use of cryptocurrency: During war, cryptocurrency becomes a popular alternative to traditional money due to its speed, anonymity, and low fees. This is especially true for transfers and fundraising for military and humanitarian purposes.

2. Impact on prices: War can cause fluctuations in cryptocurrency prices. For example, during the Russian invasion of Ukraine, cryptocurrency prices increased due to increased demand and decreased trust in traditional financial systems.

3. Sanctions and their circumvention: Cryptocurrency helps to circumvent sanctions, as it is not controlled by any central authority. This allows transfers and trade to be made regardless of political restrictions.

4. Increased crypto-fundraising: Cryptocurrency becomes a popular platform for fundraising for charitable purposes, especially when banks significantly slow down large transfers.

These factors make cryptocurrency an important tool in times of war, but at the same time it has its own risks and challenges.