Tell me what you can find out about token 6900 .. and where and how does one purchase

Currently, no comprehensive information about "Token 6900" is available. It's possible that this token might be a lesser-known or newly launched cryptocurrency. Given the lack of information, it's challenging to provide details on its purchasing method or availability on major exchanges.

1. **Purchasing Method**: Based on similar queries, if you're looking to buy cryptocurrency, it's important to note that **Ainvest does not support cryptocurrency trading**. Therefore, you would need to use an account with Brokers and fund it to place a trade.
2. **Where to Buy**: You would need to open an account with Brokers that support cryptocurrency trading. Once your account is funded, you can place your order to start investing. The process involves transferring your funds to the broker, which will then facilitate the purchase of the token on your behalf.

In summary, without specific information on "Token 6900," it's crucial to use a broker that supports cryptocurrency trading to purchase it. Ainvest, as a platform, does not offer cryptocurrency trading services.