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).

View more

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).

View more

Related topics : bitcoin paper wallet card