COLDCARD Profile picture
Sleep at Night Technology! Ultra-secure Signing Device (aka Hardware Wallet) for #Bitcoin The only dedicated air-gapped. Backup on SEEDPLATE f/ @Coinkite
Jul 9, 2023 9 tweets 4 min read
Once you've set up your calculator and you're ready to give it a try, receiving #Bitcoin on your air-gapped COLDCARD with Sparrow Wallet will most likely be the next step. Be sure to bookmark this ⤵️ 📋 What You'll Need:

• 1 x COLDCARD™
• 1 x USB-to-USB-C cable
• 1 x @usbCOLDPOWER
• 1 x 9V battery

Jun 14, 2022 21 tweets 26 min read
Keep it simple stupid! #KISS

don't screw yourself out of your #BTC due to complexity

1 of 21 Learn the 10 commendments of self custody: bitcointencommandments.com

2 of 21
Jun 4, 2020 20 tweets 10 min read
Pumped to announce our new COLDCARD tutorial videos!

We've commissioned the amazing @KISBitcoin to create them.

The videos will be rolled out as they are created. Here are the first 3:

1. Setup COLDCARD Nickname 2. Setup COLDCARD Login Countdown