Option 4: Buy Sentry Key via Node License Contract on Arbiscan

1. Go to the Node License contract on Arbiscan:

https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#readProxyContractarbiscan.io

1. Scroll down to the "17. price" function at the bottom of the page.

2. Enter the number of Keys you want to purchase to get the price.

1. Grab the number next to uint256. In this example, copy the value 220986939450000000.

2. Enter the number into the "Wei" field of the converter tool:

Ethereum Unit Converter | Ether to Gwei, Wei, Finney, Szabo, Shannon etc.

1. Copy the value in the Ether field. In this example, 0.22098693945.

1. Go back to the Node License contract on Arbiscan: https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#writeProxyContract

2. Connect your Web3 wallet.

1. Click "5. mint"

1. Paste in the value from Step 6 into the "mint" field.

2. Enter the quantity of Keys you would like to purchase in the "_amount (uint256)" field. Use the same amount you entered in Step 3.

3. Click Write.

4. Approve the transaction in your wallet.