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  3. Wallet vs for Arduino

Keypal Wallet vs Micro-Bitcoin for Arduino

What Wallet does better (0) and where for Arduino wins (1) — every spec side by side.

Keypal Wallet
Keypal · 2021Wallet
0 advantages≈ €100
vs
Micro-Bitcoin for Arduino
Micro-Bitcoin · 2021for Arduino
1 advantage
3.3Open source7.4

Why is Wallet better than for Arduino?

Wallet has no measurable advantages in this pair.

Why is for Arduino better than Wallet?

  1. Source code availableNo · Wallet: Yes
Specifications

Side by side

Keypal WalletKeypal Wallet≈ €100
Firmware & open source
Open-source firmwareNoNo
Source code availableNoYes
Reproducible builds—No
Upgradable firmware—Yes
Design
Weight53 g—
Length91 mm—
Width55 mm—
Thickness7 mm—
To compare: 0up to 4 models
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