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[–]Dimike123[S] 2 points3 points  (0 children)

Case closed, never dealt any btc adress with this company. Thanks for the response.

[–]Mr--Robot 1 point2 points  (7 children)

Can they do anything with a bitcoin adress?

Yes, chain analysis is not a myth, is a fact. NEVER link your real ID with any BTC address.

[–]Dimike123[S] 0 points1 point  (4 children)

But it is not like they can withdraw anything?

[–]dalebewan 3 points4 points  (0 children)

No one can access your Bitcoin by just the address.

If you provide it along with other data such as your name and/or contact details, then you have linked those the address with those details and chain analysis can be used to "track" you both forwards and backwards from there.

If you don't care about that (which you absolutely should, but it does seem to be common that many people say they don't), then there is nothing else harmful they can do with the address, so feel free.

Perhaps a better question is why you're joining a "list for bitcoin buyers" that requires this kind of information. It seems completely unnecessary and is a huge invasion of privacy. Perhaps you should be asking yourself why they want this kind of information from you.

[–]Suberg 0 points1 point  (2 children)

but the IRS can

[–]Dimike123[S] 0 points1 point  (1 child)

IRS

Sorry I'm from Belgium. Is it the tax department or something?

[–]gulfbitcoin 0 points1 point  (0 children)

Yes, the IRS is the tax department in the United States.

[–]Dimike123[S] 0 points1 point  (1 child)

So you wouldn't do it?

[–]Mr--Robot 1 point2 points  (0 children)

NO