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Untapped Potential: Mobile Device Ownership and Mobile Payments in Canada

Staff Working Paper 2024-25 Marie-Hélène Felt, Angelika Welte, Katrina Talavera
We present a two-stage model of mobile phone and mobile payment usage that controls for selectivity. This reveals unobserved factors that work against having a mobile phone and toward mobile paying. Therefore, people who are unable to acquire or choose not to own a mobile device might have unmet payment needs.

Analysis of DeFi Oracles

Oracles are constructs used in decentralized finance to price assets relative to each other. However, oracles contain defects that could lead to manipulation attacks. Such attacks exploit pricing models embedded within oracles to defraud creators and users. We automatically verify defects, which if mitigated, improves the security of digital currency.
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