The Ultimate Metamask Guide | Optimism, Cardano, Arbitrum, Cronos

Key Takeaways

  • Metamask supports a lot of networks aslong as they are EVM compatable
  • This guide will show you how to add multiple networks to your Metamask
  • Adding a new network to metamask can take less than 60 seconds
  • You must have X network added to Metamask to send tokens on X network
  • Testnets can be added for development testing

Adding Cardano, Arbitrum, Optimism and Cronos To Metamask

Metmask is one of the most popular browser extension wallets in the crypto space. Natively supporting the network Ethereum most people do not realize that Metamask also supports multiple other networks such as Cardano, Optimism, Arbitrum and more.

In this guide I will be walking you through how to add the following networks to your metamask in under 60 seconds.

  • Cardano
  • Arbitrum
  • Optimism
  • Cronos

To add a network to Metamask you must use what are called RPC details to register the network with Metamask.

Some networks are not compatible with Metamask as they are not EVM compatible which means the network can not work with an Ethereum Virtual Machine, hence not compatible with Metamask.

There are however ways around this for networks non EVM compatible such as Cardano which we will explore.

Add Cardano Network To Metamask

Cardano is a layer 1 blockchain that quickly rose to the top 10 rankings by market cap. It is an open source decentralized network that runs off the proof of stake consensus mechanism.

Unfortunately Cardanos is not an EVM compatible network so you cannot add it to Metamask, you however add Cardanos native token ADA via another network such as the Binance Smart Chain (BSC).

You can do this by adding the Binance Pegged version of ADA, while it may not be hosted on the Cardadno network it is still 100% backed by the real version of the tokens price.

It is the same token value wise just on a different blockchain.

Step 1:

Now before we can add the Binance-Peg ADA to the BSC on Metamask we must first add the BSC to Metamask.

First make sure you are logged into your Metamask and then navigate to the dropdown menu at the top where you will find a list of networks and a button that says “Add Network” click that button.

You will be taken to a new screen where you are prompted to enter details. Use the following:

Click Save and the Binance Smart Chain will now be available on your Metamask.

Step 2:

To add the Binance-Peg ADA to BSC we need the contract address which can be found on Coinmarketcap. Lucky for us CMC has made it super simple to add ADA to the network.

Once on the ADA page simply click this little Metamask icon and you will be prompted by Metamask to add the token Cardano (ADA).

You now have the Binance-Peg ADA available in your Metamask. When sending ADA to this address make sure you choose to use the BSC network.

Adding Arbitrum To Metamask

Arbitrum is a layer 2 network that was designed and built to run alongside Ethereum to help with its scalability issues and allow a place for developers to build with speed while still maintaining Ethereum's layer 1 security.

Arbitrum is an EVM compatible chain which means it is very easily integrated into Metamask.

Step 1:

Open Metamask and navigate to the top drop down menu and click the “Add Network” button.

From here you will be prompted to enter details such as RPC URL and Network Name. Use the following details to add Arbitrum to Metamask:

Click save and just like that you can now access the Arbitrum network through Metamask.

Add Optimism To Metamask

Similar to Arbitrum Optimism is also a layer 2 built to run alongside Ethereum to help with scalability and translation speeds. This means that Optimism is also EVM compatible so it is very easy to add the Metamask in the same fashion as Arbitrum.

Step 1:

Open Metamask and navigate to the top drop down menu and click the “Add Network” button.

From here you will be prompted to enter details such as RPC URL and Network Name. Use the following details to add Optimism to Metamask:

Click save and just like that you can now access the Arbitrum network through Metamask.

Add Cronos To Metamask

Cronos is the first network that allows both the Ethereum and Cosmos network to communicate, giving developers the ability to use both chains to build dApps, NFTs, protocols and more.

Similar to the Optimism and Arbitrum, Cronos is EVM compatible so it is very easy and quick to add to Metamask.

Step 1:

Open Metamask and navigate to the top drop down menu and click the “Add Network” button.

From here you will be prompted to enter details such as RPC URL and Network Name. Use the following details to add Arbitrum to Metamask:

  • Network Name: Cronos
  • New RPC URL: https://evm.cronos.org
  • ChainID: 25
  • Symbol: CRO
  • Block Explorer URL: https://cronoscan.com/

Click save and just like that you can now access the Arbitrum network through Metamask.

 

Conclusion

Hopefully this guide has made it easy for you to add the above networks to Metamask. Cardano may seem a bit tricky to add but it is very simple. Today we have learnt than only EVM compatible networks can be added to Metamask which is why networks such as Solana can not be added to Metamask.

Luckily we have networks like BSC that have pegged versions of a lot of these non EVM tokens.

Key Takeaways

  • Metamask supports a lot of networks aslong as they are EVM compatable
  • This guide will show you how to add multiple networks to your Metamask
  • Adding a new network to metamask can take less than 60 seconds
  • You must have X network added to Metamask to send tokens on X network
  • Testnets can be added for development testing

Adding Cardano, Arbitrum, Optimism and Cronos To Metamask

Metmask is one of the most popular browser extension wallets in the crypto space. Natively supporting the network Ethereum most people do not realize that Metamask also supports multiple other networks such as Cardano, Optimism, Arbitrum and more.

In this guide I will be walking you through how to add the following networks to your metamask in under 60 seconds.

  • Cardano
  • Arbitrum
  • Optimism
  • Cronos

To add a network to Metamask you must use what are called RPC details to register the network with Metamask.

Some networks are not compatible with Metamask as they are not EVM compatible which means the network can not work with an Ethereum Virtual Machine, hence not compatible with Metamask.

There are however ways around this for networks non EVM compatible such as Cardano which we will explore.

Add Cardano Network To Metamask

Cardano is a layer 1 blockchain that quickly rose to the top 10 rankings by market cap. It is an open source decentralized network that runs off the proof of stake consensus mechanism.

Unfortunately Cardanos is not an EVM compatible network so you cannot add it to Metamask, you however add Cardanos native token ADA via another network such as the Binance Smart Chain (BSC).

You can do this by adding the Binance Pegged version of ADA, while it may not be hosted on the Cardadno network it is still 100% backed by the real version of the tokens price.

It is the same token value wise just on a different blockchain.

Step 1:

Now before we can add the Binance-Peg ADA to the BSC on Metamask we must first add the BSC to Metamask.

First make sure you are logged into your Metamask and then navigate to the dropdown menu at the top where you will find a list of networks and a button that says “Add Network” click that button.

You will be taken to a new screen where you are prompted to enter details. Use the following:

Click Save and the Binance Smart Chain will now be available on your Metamask.

Step 2:

To add the Binance-Peg ADA to BSC we need the contract address which can be found on Coinmarketcap. Lucky for us CMC has made it super simple to add ADA to the network.

Once on the ADA page simply click this little Metamask icon and you will be prompted by Metamask to add the token Cardano (ADA).

You now have the Binance-Peg ADA available in your Metamask. When sending ADA to this address make sure you choose to use the BSC network.

Adding Arbitrum To Metamask

Arbitrum is a layer 2 network that was designed and built to run alongside Ethereum to help with its scalability issues and allow a place for developers to build with speed while still maintaining Ethereum's layer 1 security.

Arbitrum is an EVM compatible chain which means it is very easily integrated into Metamask.

Step 1:

Open Metamask and navigate to the top drop down menu and click the “Add Network” button.

From here you will be prompted to enter details such as RPC URL and Network Name. Use the following details to add Arbitrum to Metamask:

Click save and just like that you can now access the Arbitrum network through Metamask.

Add Optimism To Metamask

Similar to Arbitrum Optimism is also a layer 2 built to run alongside Ethereum to help with scalability and translation speeds. This means that Optimism is also EVM compatible so it is very easy to add the Metamask in the same fashion as Arbitrum.

Step 1:

Open Metamask and navigate to the top drop down menu and click the “Add Network” button.

From here you will be prompted to enter details such as RPC URL and Network Name. Use the following details to add Optimism to Metamask:

Click save and just like that you can now access the Arbitrum network through Metamask.

Add Cronos To Metamask

Cronos is the first network that allows both the Ethereum and Cosmos network to communicate, giving developers the ability to use both chains to build dApps, NFTs, protocols and more.

Similar to the Optimism and Arbitrum, Cronos is EVM compatible so it is very easy and quick to add to Metamask.

Step 1:

Open Metamask and navigate to the top drop down menu and click the “Add Network” button.

From here you will be prompted to enter details such as RPC URL and Network Name. Use the following details to add Arbitrum to Metamask:

  • Network Name: Cronos
  • New RPC URL: https://evm.cronos.org
  • ChainID: 25
  • Symbol: CRO
  • Block Explorer URL: https://cronoscan.com/

Click save and just like that you can now access the Arbitrum network through Metamask.

 

Conclusion

Hopefully this guide has made it easy for you to add the above networks to Metamask. Cardano may seem a bit tricky to add but it is very simple. Today we have learnt than only EVM compatible networks can be added to Metamask which is why networks such as Solana can not be added to Metamask.

Luckily we have networks like BSC that have pegged versions of a lot of these non EVM tokens.

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