Roland Kofler
Rank: 1806 / 1843
2 selected videos
Laser marking a Bitcoin Cold Card
Anodized aluminum cards change color when hit by a laser. The cards are more durable than paper wallets and resistant to aging, humidity and high temperatures (anodized aluminium melting point is 2050°C).
Related topics : bitcoin paper wallet card
Bitcoin Cold Cards on Fire
Anodized aluminum cards change color when hit by a laser. The cards are more durable than paper wallets and resistant to aging, humidity and high temperatures (anodized aluminium melting point is 2050°C).
Related topics : bitcoin paper wallet card
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