0xcert might be a bit more popular than Atra. We know about 1 link to it since March 2021 and only 1 link to Atra. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Atra.io create a free account, generate aWallet, set to expose private keys, fill it with Rinkeby Ether, atra will let you know when the wallet is filled, import in metamask (or use how every you want you have the keys), and you have a dev wallet for testing. Generate more than one to test from different user perspectives. Source: over 2 years ago
Right now people only see the art pieces because thats what gets headlines. "Woah this nft sold for millions of dollars!" but there are other uses for NFTs. For example check out https://0xcert.org/ and look through some of their features to see what other things are possible, also Lukso which will be launching their main net in Q2 2021. They are working on some cool stuff too. Source: about 3 years ago
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