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Made For a Lab. Fits in a Pocket. Verifiable by Design.Precursor is an open hardware development platform for secure, mobile
computation and communication. This pocket-sized device accommodates a
built-in display, a physical keyboard, and an internal battery while
remaining smaller and lighter than the average smartphone. Precursor
was built for use on the road, but it compromises nothing as a
development platform. Powered by an FPGA-hosted, soft-core
System-on-Chip (SoC), it gives developers the freedom to inspect,
verify, and customize nearly every aspect of its operation. Help us
take those critical first steps toward a world in which silicon-level
trustworthiness is attainable.









    
  
      
    

  

Trust It. Because You Can, Not Because You Have to.We are accustomed to accepting the word of large corporations, like
Apple and Google, that our gadgets are trustworthy. Without any hard
evidence, we’ve long had to take in on faith that our privacy is being
respected and that our personal data is not just one backdoor away
from being stolen, exploited, or exposed. (We’ll go ahead and leave
"monetized" off that list, since we all know that’s happening.)
We’ve had to accept this reality in large part because we’ve had no
other choice. Precursor changes the status quo by making
evidence-based trust a core principle of its design. We have
subjected every aspect of this platform to a level of scrutiny that
will allow users to trust their devices. You, the user, will be able
to trust Precursor based on scientific evidence that is observable
without access to a million-dollar microscope.
The principle of evidence-based trust was at work in our decision to
implement Precursor’s brain as an SoC on an FPGA, which means you can
compile your CPU from design source and verify for yourself that
Precursor contains no hidden
instructions
or other
backdoors. Accomplishing
the equivalent level of inspection on a piece of hardwired silicon
would be…a rather expensive proposition. Precursor’s mainboard was
designed for easy
inspection
as well, and even its LCD and keyboard were chosen specifically
because they facilitate verification of proper construction with
minimal equipment.
Thanks to this pivotal design principle, Precursor is well-suited as a
hardware development framework for security-critical applications such
as password managers, authenticators, crypto wallets, and secure
messaging platforms.









    
  
      
    

  

Carry It. With You When You Need ItPrecursor is also distinctive among open hardware gadgets in that it
was designed from the ground up for portability. While most open
hardware FPGA development boards share Precursor’s evidence-based,
compile-your-own-CPU trust properties, none of them are packaged into
a slim, 7.2 mm, machined-aluminum case, complete with a charger, a
battery, a display, and a keyboard. And speaking of batteries,
Precursor draws  

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