Some reasons to consider not using centralised exchanges to accumulate your Bitcoin.
You handover your details on the following:
- Government ID
- Residential address
- Phone number
- Employment info or, Source of Funds
- IP address
- OS type and version
- Browser type, version and language
- Monitor/display size and resolution
- Bitcoin addresses you withdraw to
- Bitcoin addresses you deposit from
- All your onchain movements are traced by default
- A detailed history of all your transactions (including fiat) is kept in perpetuity and available to any government agency that requests it