Category Archives: trezor

Florida Man Arrested in SIM Swap Conspiracy

Posted on by

Police in Florida have arrested a 25-year-old man accused of being part of a multi-state cyber fraud ring that hijacked mobile phone numbers in online attacks that siphoned hundreds of thousands of dollars worth of bitcoin and other cryptocurrencies from victims.

On July 18, 2018, Pasco County authorities arrested Ricky Joseph Handschumacher, an employee of the city of Port Richey, Fla, charging him with grand theft and money laundering. Investigators allege Handschumacher was part of a group of at least nine individuals scattered across multiple states who for the past two years have drained bank accounts via an increasingly common scheme involving mobile phone “SIM swaps.” Continue reading Florida Man Arrested in SIM Swap Conspiracy→

A Close Eye on Power Exposes Private Keys

Posted on by

Hardware wallets are devices used exclusively to store the highly sensitive cryptographic information that authenticates cryptocurrency transactions. They are useful if one is worried about the compromise of a general purpose computer leading to the loss of such secrets (and thus loss of the funds the secrets identify). The idea is to move the critical data away from a more vulnerable network-connected machine and onto a device without a network connection that is unable to run other software. When designing a security focused hardware devices like hardware wallets it’s important to consider what threats need to be protected against. More …read more

Continue reading A Close Eye on Power Exposes Private Keys→