How to Buy Arbitrum 
(ARB) Guide

Now, you can buy, sell, and hold Arbitrum on Public. Register or log in to check out instantly with your preferred amount of ARB.

Updated On: Nov 13, 2025

Want to buy Arbitrum
but not sure how?

Once you set up an account, buying Arbitrum on Public is simple, fast, and secure. Here’s a step-by-step guide on how to buy Arbitrum.

Create a Public account

Download the Public App or sign-up on Web. You will need a valid ID in order to make trades, so be sure to have one ready.
Add a payment method

Tap on "Deposit" on your account screen and connect a payment method. You can use a bank account, debit card, or initiate a wire.
Search for Arbitrum

Navigate to the Explore page. Then, type “Arbitrum” into the search bar. When you see Arbitrum appear in the results, tap it to open up the purchase screen.
Enable crypto investing

When you tap into the Arbitrum investing page, you’ll see a prompt to enable crypto investing with the help of our trusted partner, Apex Crypto. Tap the “Enable now” button.
Complete your purchase

Tap the “Buy” button and input the dollar value you want to buy. You can also set up recurring Arbitrum purchases on Public.