Fire is a browser extension that helps you to audit smart contracts and shows you the details of the transaction before you confirm it, and it is available for smart contracts on the Ethereum, Polygon, Arbitrum and Optimism networks. This is somewhat similar to Stelo, but it only works on the Ethereum network. They have recently received a $3.5 million funding from Atomic venture capital firm, and they’ve just released a free NFT that you can mint.Here are the steps to mint this NFT on the Op...