Bitcoin dominance is a term that refers to the ratio of the market capitalization of Bitcoin compared to the total market capitalization of all other digital currencies. It is calculated by dividing the market capitalization of Bitcoin by the total market capitalization of all digital currencies.

The impact of Bitcoin's takeover on other currencies includes:

1. **Liquidity**: When Bitcoin holding is high, a large portion of the liquidity is concentrated in Bitcoin, which may reduce the liquidity available to other cryptocurrencies.

2. **Investment interest**: Bitcoin is often considered the “first digital currency,” so its high acquisition rate may reflect increased investor interest in Bitcoin at the expense of other currencies.

3. **Volatility**: If Bitcoin holding is very high, any major changes in Bitcoin price could have a greater impact on the digital market as a whole, as many altcoins are affected by Bitcoin price fluctuations.

4. **Market Trends**: A rise in Bitcoin holdings may indicate defensive moves by investors, who may move their funds from other cryptocurrencies to Bitcoin in times of instability.