Cold Wallet Tutorial using Tails, Electrum and MEW

In this tutorial I will show how to build your own secure offline wallet, also known as cold storage. We will use Tails, a secure operating system which you boot from a flash drive. Tails gives you a fresh and pristine offline environment for doing sensitive and confidential work. All you need are two spare USB sticks and a computer. 0:00 - Why airgapped wallets? Why Tails over hardware wallets? 1:44 - How does this work in practice? 2:32 - Get Tails and MyEtherWallet 2:59 - Verify signatures (using Linux, optional step) 6:23 - Prepare USB sticks (using Linux) 7:51 - Start Tails OS 9:11 - Create a Keepass database 12:26 - Create an offline Bitcoin wallet with Electrum 14:26 - Create an offline Ethereum wallet with MyEtherWallet 16:22 - Track your Bitcoin wallet (online), receive money 17:24 - Track your Ethereum wallet (online), receive money 17:54 - Send Bitcoin 19:53 - Send Ethereum Links mentioned in this video: * https://tails.net/install/index.en.html * https://github.com/MyEtherWallet/MyEtherWallet/releases * https://raw.githubusercontent.com/MyEtherWallet/MyEtherWallet/77282475d75dd628f6c999c87f9c5dd3d44d8665/MEW-PUP-KEY-GPG * https://electrum.org/#download * https://etherscan.io/ * https://www.myetherwallet.com/tools?tool=offline Commands for importing and verifying keys: gpg --import ~/Downloads/tails-signing.key gpg --import ~/Downloads/MEW-PUP-KEY-GPG gpg --edit-key [email protected] gpg --edit-key [email protected] gpg --verify ~/Downloads/tails-amd64-6.5.img.sig gpg --verify ~/Downloads/MyEtherWallet-v6.9.10-Offline.zip.sig Tails pubkey fingerprint: A490 D0F4 D311 A415 3E2B B7CA DBB8 02B2 58AC D84F MyEtherWallet pubkey fingerprint: 2FCA 4A1E 3AF4 278F 7AD3 B763 7F05 9C0F 7B9A 12F0 Commands used for writing Tails to the USB stick: sudo dmesg -w sudo dd if=~/Downloads/tails-amd64-6.5.img of=/dev/sdb status=progress bs=1M