2. Getting ETH on Mainnet
The native token on Ethereum network is ETH.
In order to complete most basic transactions on the network, you will need to pay gas. Gas fees are paid in ETH.
There are various ways in which you can acquire ETH.
+++ 1. Metamask / Trust Wallet
You may purchase various cryptocurrencies within your Metamask wallet via third party's.
https://metamask.io/buy-crypto/
Trust Wallet also supports similar functionality and you may find guidance in the link below
https://blog.trustwallet.com/blog/how-to-add-the-arbitrum-token-to-trust-wallet
+++ 2. CEXs
Additionally you can opt to use one of many various Centralized Exchanges, or "CEX" to purchase ETH.
In the link below you will find a list of exchanges.
Some Centralized Exchanges may not be available in your jurisdiction.
https://coinmarketcap.com/rankings/exchanges/
+++ 2. Bridging
If you have already Ethereum on other networks ie Arbitrum or BASE and wish to bridge those assets over to Ethereum mainnet, you can use this bridging tool provided by Synapse to transfer, or "bridge" these assets to the Ethereum blockchain.
