your question is unclear. What type of business are you starting? What platform are you using? What security measures do you require?
buy & sell and store some. not mine. thank you
What do you mean “go into Bitcoin and Altcoins”? Do you want to mine them? If so then that’s not possible with only your laptop today. Please read this post:
Thank you for your quick response earlier, I want to go into bitcoin and other altcoins. I’m planning to use my laptop. what security measure, do you think I need on my laptop. thank you.
If you’re just looking to buy and sell here’s a video about all the security measures you’ll need: