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Evolution of Shares in a Proof-of-Stake Cryptocurrency
...The literature regarding Bitcoin has raised several concerns regarding its long-...

René B. M. de Koster 
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Ivo J. B. F. Adan 
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Syringe shortages could cause Pfizer vaccine bottlenecks

Yixiao Huang
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Computer Chip Shortage Will Bring Patch for Supply-Chain Holes

Sheldon Jacobson: TSA Firearm Catch Rate Doubles, But Are Flyers Safe?

Lei Zhao
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Nearly 3 million Americans haven't gotten their second COVID-19 vaccination on time

Vaccine Help Wanted: Road Race Experts, Fast-Food Managers Tapped