Where can I buy holochain?

Could you please elaborate on the availability and process of purchasing Holochain? As a cryptocurrency enthusiast, I'm keen to learn about this particular blockchain platform. Where exactly can I buy Holochain tokens? Are there specific exchanges that support it? Also, could you guide me through the steps I should take to successfully purchase and store my Holochain tokens securely? I'd appreciate any insights you could provide on this matter.