Mk3 Firmware Lab

MK3 FIRMWARE LABv4.1.9 · 2023-06-26 tag

Source-reflective software walkthrough + affected fallback-RNG trace

COLDCARDMk3 · DEMO

COLDCARDPOWERED DOWN

No powerPowered down

SIMULATOR · NO WALLET CRYPTO

5/8 move7/9 page1–4 jump0 topOK selectX back

LIVE RNG STATEVirginSystem

UID XUID YSysTickRTC_TRRTC_SSR

UID word 00x004A0029

Initial pad0x004A5B50

Fallback calls0

Public calls0

Rejections0

Next bytes(32)+8F / +8P

HOST-TRIGGERED CALL SITES · LAB ONLY

CALL HISTORY0 shown · 0 total

No RNG-consuming action since the last MCU reset.

FIDELITY LEDGER

Exact: menu labels/order, predicates, chooser values, menu navigation, story scrolling and modeled RNG primitives.

Modeled: visible demo PIN, prefix-confirmation substitute, redacted word quiz and state transitions.

Substituted: secure element, bootloader, USB, MicroSD, signing, key/address derivation and destructive actions.