Passport Prime Questions

Hi, coming from the passport core I had a few specific questions before I pick up the prime:

  1. I understand that you are fast tracking manual initialisation/ updates without envoy (which Is how I intend to use the prime), firstly will this work if i purchase now and don’t open the box until you release this feature or would i need to initialize first with envoy, update and erase to get this capability (since I assume that current devices don’t have this capability). Also will this initial release also include the firmware without and bluetooth drivers and bitcoin only firmware?
  2. Will/ does the prime’s software have repro builds, I like to verify all bitcoin software builds properly myself before use (proof: Reproducibility in action ) - Probably need to introduce AI verification into my workflow now lol
  3. Does the prime currently lack any bitcoin functionality that the core has. The main feature i’m looking for are multi sig descriptor imports + multisig address verification and exploration.
  4. I believe i heard somewhere that Zach said that the passport would be implementing something similar to blockstream’s anti exfil or bitbox’s anti klepto. My question is when would this be implemented and how. To my knowledge, anti exfil only works when you use the jade over bluetooth or USB with blockstreams own application. The bitbox uses HWI comms and anti klepto works even when signing with 3rd party coordinators like sparrow. So how would this look like in the prime? i’d like to see it be compatible with sparrow, even if that meant needing to bridge the airgap with USB.
  5. Edit: Do you typically build on the keyos repo in private and dump a single commit with a fat diff each release? In the passport2 repo you built more in the open and it was easier for a pleb like me to follow.

Hey, nice username!

  1. I can’t say for 100% because I haven’t tested this on a provisioned and not-onboarded device, but I’m pretty certain that you could do this. Use the firmware recovery steps detailed in the beta updates to get yourself whatever the latest version is before you begin onboarding. However, I do not have any hard timescales on bitcoin-only firmware or anything that does not ship without Bluetooth drivers.
  2. We already have reproducible builds
  3. The only thing missing from Passport Prime right now is temporary seed loading. This is planned for v1.5
  4. I don’t have any context here on what Zach said, or when. Do you have a link to it? Regardless, if/when we do add HWI (or similar since I believe that project might be no longer maintained), adding anti-exil is a next natural step.
  5. Yes this has been answered here.