The biggest problem in refurbishment isn't broken devices. It's the perfectly working ones nobody trusts.

Every year, the world generates more than 60 million metric tons of e-waste. Refurbishment is one of the strongest levers we have to bring that number down, but it only scales when every buyer can trust the device they're getting.

That trust layer is what we build at CypherBlk.

We make software that lets refurbishers, ITAD providers, and marketplaces erase and fully diagnose connected devices within a single automated workflow. Every device leaves our platform fully wiped, tested across components, checked for counterfeit parts, and shipped with a full audit report, built on the data sanitization standards that matter in each category, including ADISA.

We build across four device categories:

• TimeShield — Apple Watch and Wear OS smartwatches. The first ADISA-certified smartwatch erasure standard in the world.
• PhoneShield — iOS and Android phones.
• MacShield — MacBooks, iMacs, and Mac minis, including Apple Silicon. (Early access)
• SonicShield — AirPods and other audio devices. (Early access)

CypherBlk is trusted by leading refurbishment marketplaces, including BackMarket and Refurbed.

Our mission is simple: remove the trade-off between speed and safety in refurbishment, so every good device can earn a real second life, and fewer end up as waste.

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The Novi Sad office focuses on software development and innovation, supporting engineering and leadership roles.

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CypherBlk's headquarters in Phoenix, United States

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