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Grab, a popular 'super app' in Southeast Asia, has recently introduced a web3 wallet for its users in Singapore. The wallet utilizes Grab's technology and enables payments through XSGD, a stablecoin backed by the Singapore dollar. Circle, the creator of the USDC stablecoin, has also partnered with Grab to provide technology for the web3 wallet pilot. This development is significant because Grab is considered a super app similar to WeChat in China and has a massive user base of 180 million. While the wallet offers a centralized experience, requiring a PIN for login rather than a private key, it supports transactions with XSGD and SG Pitstop Pack NFT vouchers. These vouchers were created to commemorate the Formula 1 Singapore Grand Prix. Users can exchange the NFT vouchers for physical products or digital collectibles. It's important to note that Grab's web3 wallet exclusively supports the Polygon Proof of Stake Chain, but does not currently support other digital assets like ETH.