Custardy-XMR v1.0.0

Custardy-XMR v1.0.0

Custardy-XMR is an offline, non-persistent Raspberry Pi appliance for generating
and verifying standard Monero wallets.

Download

Download custardy-xmr-v1.0.0.img.xz, verify its SHA-256, decompress it, and
flash the resulting 50 MiB image to a microSD card.

SHA-256

78af6a1f97727f2880eb6c5d7ba49bf4b5232b7d5ce2f0800f258ea60be25755  custardy-xmr-v1.0.0.img.xz
3124c1546e207eb7b0d3e3c61f6be51eb765a0da1d3b9b77ee68841f48c85b91  custardy-xmr-v1.0.0.img

The first hash authenticates the downloaded Release asset. The second
authenticates the decompressed image that is written to the SD card.

Target hardware

• Raspberry Pi Zero W
• Waveshare 1.44-inch LCD HAT, 128×128 ST7735
• microSD card of at least 50 MiB (8 GB or larger recommended)

Included functionality

• System, Manual, and Mixed entropy wallet generation
• Dice, coin, and two-round card manual entropy entry
• Offline wallet verification by canonical Monero mnemonic or private spend key
• Primary address and QR display
• Private/public spend and view key review
• Initramfs-only, non-persistent runtime
• Runtime air-gap status and disabled Wi-Fi/Bluetooth device-tree overlays

Custardy-XMR is a seed-generation and verification appliance. It does not
synchronize with the Monero network, store wallets persistently, or sign
transactions.

Security notice

This is security-sensitive software. Review the source, security documentation,
build manifest, hardware limitations, and verification results before relying on
it to protect funds. No software should be described as perfectly secure or
absolutely air-gapped.

See the repository README and release/V1.0.0_BUILD_MANIFEST.md for complete
verification details.