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Coinbase Wallet on Twitter: "We've integrated native support for the @optimismPBC testnet, to help early adopters test Optimistic Rollups on Coinbase Wallet. Rollups offer fast, low fee, scalable dapp transactions. We're excited
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The 'free bitcoin' Coinbase Super Bowl QR code ad crashed the crypto exchange, prompting a reaction by Edward Snowden - NotebookCheck.net News
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