Cuy Sheffield

Vice president and global head of crypto at Visa

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Last updated Sep 23, 2026

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Atum emerges from stealth with $13.5M to build open payments network

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As of September 2026: Publicly congratulated the Atum team

Atum emerged from stealth on September 22 with $13.5 million from Variant, PayPal Ventures, and six other investors. It issues no currency, runs no blockchain, holds no customer funds, and lets settlement providers compete for each payment request.

Updated Sep 23