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PayPal filed a patent application for a system that lets users transfer and purchase nonfungible tokens. In this week’s newsletter, read about how a nonfungible token (NFT) artist raised money to support a cancer charity and why payments platform PayPal has filed a patent application for an NFT marketplace . Check out Meta’s new photorealistic metaverse avatars and, in other news, learn why Neal Stephenson’s metaverse blockchain project remains optimistic despite waning interest. NFT artist raises $140,000 for cancer support charity NFT artist Trevor Jones donated almost $140,000 to Maggie’s Edinburgh — an organization dedicated to cancer treatments — after raising funds from a Web3 event in France. The amount raised from the event will help 4,000 patients affected by cancer and those who need critical support. According to Maggie’s Edinburgh, the funds raised by Jones will be the highest single donation from an art event in the organization’s history. The money collected will suppo...

Trust — white hat hacker and head of smart contract auditing firm Trust Security — shed some light on a peculiar feature of the smart contract powering PayPal’s new stablecoin PYUSD. In a recent tweet, Trust pointed out that they have “seen a lot of dunking on PayPal for using an ancient Solidity compiler.” Seen a lot of dunking on @PayPal for using an ancient Solidity compiler. Here's why I think it is actually a 200IQ move! pic.twitter.com/jYN5eRNiNT — Trust (@trust__90) August 8, 2023 As pointed out in a recent article, an Analysis of the smart contract revealed that the company used Solidity compiler version 0.4.24. Considering that version 0.4.24 of Solidity was released on May 16, 2018, shows that the version chosen by PayPal was ancient indeed. Still, this is not necessarily a bad thing. Trust explained that when choosing a Solidity compiler version, a programmer is looking for a compromise with the latest versions guaranteeing lower gas ...