two) It’s no cost : Its totally free while in the sense that you simply don’t have to invest heavily (for tools or manpower) to accomplish NFR testing. It’s best completed with the developers on their own, with freely out there open source tools. NFTs exist on the blockchain, https://financefeeds.com/will-trumps-win-favor-eth-sui-this-0-03-altcoin-could-outshine-spot-ethereum-etf-gains/